smiles
stringlengths
2
611
question_style
stringclasses
4 values
question
stringlengths
65
683
options
listlengths
4
4
answer
stringclasses
4 values
difficulty_tier
stringclasses
3 values
question_variant
stringclasses
2 values
CC(=O)OCCC[Si](O[Si](C)(C)CC[SiH2]O[Si](C)(C)C)(O[Si](C)(C)CC[SiH2]O[Si](C)(C)C)O[Si](C)(C)CC[Si](O[Si](C)(C)C)(O[Si](C)(C)C)O[Si](C)(C)C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)OCCC[Si](O[Si](C)(C)CC[SiH2]O[Si](C)(C)C)(O[Si](C)(C)CC[SiH2]O[Si](C)(C)C)O[Si](C)(C)CC[Si](O[Si](C)(C)C)(O[Si](C)(C)C)O[Si](C)(C)C?
[ "lactone + siloxane", "carboxylic ester + silanol", "carboxylic ester + silyl ether", "carboxylic ester + siloxane" ]
D
hard
standard
CC(=O)OCCOC(=O)CC(C)(c1ccc(OP2Cc3cccc4cccc(c34)N2)c(C(C)(C)C)c1)c1ccc(OP2Nc3cccc4cccc(c34)N2)c(C(C)(C)C)c1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)OCCOC(=O)CC(C)(c1ccc(OP2Cc3cccc4cccc(c34)N2)c(C(C)(C)C)c1)c1ccc(OP2Nc3cccc4cccc(c34)N2)c(C(C)(C)C)c1?
[ "catechol + phosphonous esteramide", "carboxylic ester + hydroperoxide", "carboxylic ester + phosphonous esteramide", "acylhydrazone + carboxylic ester" ]
C
medium
standard
CC(=O)OCCc1sc(S(=O)(=O)NC(=O)Nc2cc(C(F)(F)F)c(F)c(N)n2)cc1C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)OCCc1sc(S(=O)(=O)NC(=O)Nc2cc(C(F)(F)F)c(F)c(N)n2)cc1C?
[ "acyl sulfonamide + sulfoxide", "acyl sulfonamide + sulfonic acid", "acyl sulfonamide + urea", "nitrosamine + urea" ]
C
medium
standard
CC(C)(C)c1cnc(CSc2cnc(Nc3ccc(S(=O)(=O)NCCO)cc3)s2)o1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)c1cnc(CSc2cnc(Nc3ccc(S(=O)(=O)NCCO)cc3)s2)o1?
[ "isothiourea + urethane", "isothiourea + sulfonamide", "azide + sulfonamide", "carbothioic halide + isothiourea" ]
B
medium
standard
CC(=O)OCOOP(=O)(OOCOC(C)=O)OC1C(OP(=O)(OOCOC(C)=O)OOCOC(C)=O)C2OC3CCCC2(O3)C(OP(=O)(OOCOC(C)=O)OOCOC(C)=O)C1OP(=O)(OOCOC(C)=O)OOCOC(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)OCOOP(=O)(OOCOC(C)=O)OC1C(OP(=O)(OOCOC(C)=O)OOCOC(C)=O)C2OC3CCCC2(O3)C(OP(=O)(OOCOC(C)=O)OOCOC(C)=O)C1OP(=O)(OOCOC(C)=O)OOCOC(C)=O?
[ "aryl ester + carboxylic ester", "catechol + phosphoric triester", "carboxylic ester + oxoarene", "carboxylic ester + phosphoric triester" ]
D
medium
standard
CC(=O)OP(=O)([O-])O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)OP(=O)([O-])O?
[ "carboxylic ester + phosphoric monoester", "carboxylic ester + oxoarene", "carboxylic ester + ketenacetal", "catechol + phosphoric monoester" ]
A
medium
standard
CC(C)(C)C(=O)OCOP(=O)(OCOC(=O)C(C)(C)C)OC[C@H]1O[C@@H](n2nnc3c(N)ncnc32)C[C@H]1O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)C(=O)OCOP(=O)(OCOC(=O)C(C)(C)C)OC[C@H]1O[C@@H](n2nnc3c(N)ncnc32)C[C@H]1O?
[ "carboxylic ester + semicarbazone", "aldehyde + phosphoric triester", "carboxylic ester + hydroxamic acid", "carboxylic ester + phosphoric triester" ]
D
medium
standard
CC(=O)OC[C@H]1OC(OC(C)=O)[C@@H](NC(=O)N=[N+]=[N-])[C@@H](OC(C)=O)[C@@H]1OC(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)OC[C@H]1OC(OC(C)=O)[C@@H](NC(=O)N=[N+]=[N-])[C@@H](OC(C)=O)[C@@H]1OC(C)=O?
[ "acyl azide + carbonic acid esterhalide", "amide + amidine", "acyl azide + amide", "acyl azide + guanidine" ]
C
medium
standard
CC(C)(C)OC(=O)N1CCC(n2cc(C(=O)N=[N+]=[N-])c3cc(F)cnc32)CC1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)OC(=O)N1CCC(n2cc(C(=O)N=[N+]=[N-])c3cc(F)cnc32)CC1?
[ "enamine + urethane", "acyl azide + carbonyl", "acyl azide + amidrazone", "acyl azide + urethane" ]
D
medium
standard
CC(C)=C1CC[C@@H](C)[C@]2(C[C@@H](c3ccoc3)OC2=O)[C@H]1CCNC(=O)N=[N+]=[N-]
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)=C1CC[C@@H](C)[C@]2(C[C@@H](c3ccoc3)OC2=O)[C@H]1CCNC(=O)N=[N+]=[N-]?
[ "amide + amidine", "acyl azide + carbonic acid esterhalide", "acyl azide + amide", "acyl azide + guanidine" ]
C
medium
standard
CC(=O)OC[C@H]1OC(P(C2O[C@H](COC(C)=O)[C@H](OC(C)=O)[C@H](OC(C)=O)[C@H]2OC(C)=O)C2O[C@H](COC(C)=O)[C@H](OC(C)=O)[C@H](OC(C)=O)[C@H]2OC(C)=O)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@H]1OC(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)OC[C@H]1OC(P(C2O[C@H](COC(C)=O)[C@H](OC(C)=O)[C@H](OC(C)=O)[C@H]2OC(C)=O)C2O[C@H](COC(C)=O)[C@H](OC(C)=O)[C@H](OC(C)=O)[C@H]2OC(C)=O)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@H]1OC(C)=O?
[ "carboxylic ester + phosphine", "carboxylic ester + phosphine oxide", "carboxylic ester + phosphorylen", "lactone + phosphine" ]
A
hard
standard
CC(=O)OC[C@H]1O[C@@H](N=C=N[C@@H]2O[C@H](COC(C)=O)[C@H](OC(C)=O)[C@H](OC(C)=O)[C@H]2OC(C)=O)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@H]1OC(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)OC[C@H]1O[C@@H](N=C=N[C@@H]2O[C@H](COC(C)=O)[C@H](OC(C)=O)[C@H](OC(C)=O)[C@H]2OC(C)=O)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@H]1OC(C)=O?
[ "ether + phosphoric diestermonoamide", "carbodiimide + siloxide", "carbodiimide + phosphite ester", "carbodiimide + ether" ]
D
easy
standard
CC(=O)OC[C@H]1O[C@@H](S(=O)(=O)Cc2nnn(-c3ccc(S(N)(=O)=O)cc3)c2I)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@@H]1O[C@H]1O[C@H](COC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)OC[C@H]1O[C@@H](S(=O)(=O)Cc2nnn(-c3ccc(S(N)(=O)=O)cc3)c2I)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@@H]1O[C@H]1O[C@H](COC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O?
[ "aryl iodide + phosphonic monoester", "aryl iodide + sulfone", "aryl iodide + peroxyseleninic acid", "selenoxide + sulfone" ]
B
easy
standard
CC(=O)OC[C@H]1O[C@@H](Sc2nc3c(c(-c4c[nH]c5ccccc45)c2C#N)CCC3)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@H]1OC(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)OC[C@H]1O[C@@H](Sc2nc3c(c(-c4c[nH]c5ccccc45)c2C#N)CCC3)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@H]1OC(C)=O?
[ "carboxylic ester + hemiaminal", "carboxylic ester + thiocyanate", "nitrile + sulfinic amide", "carboxylic ester + nitrile" ]
D
medium
standard
CC(=O)OC[C@H]1O[C@@H](n2ccc(NP(=O)(N3CC3(C)C)N3CC3(C)C)nc2=O)[C@@H](OC(C)=O)[C@@H]1OC(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)OC[C@H]1O[C@@H](n2ccc(NP(=O)(N3CC3(C)C)N3CC3(C)C)nc2=O)[C@@H](OC(C)=O)[C@@H]1OC(C)=O?
[ "phosphoric triamide + siloxide", "ether + phosphoric triamide", "carbothioic acid + ether", "chloride + ether" ]
B
easy
standard
CC(=O)O[C@H]1C[C@H](n2cc(C)c(=O)[nH]c2=O)O[C@@H]1COC(=O)NP(=O)(N1CC1(C)C)N1CC1(C)C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)O[C@H]1C[C@H](n2cc(C)c(=O)[nH]c2=O)O[C@@H]1COC(=O)NP(=O)(N1CC1(C)C)N1CC1(C)C?
[ "phosphoric triamide + siloxide", "chloride + ether", "ether + phosphoric triamide", "carbothioic acid + ether" ]
C
easy
standard
CC(=O)OC[C@H]1O[C@@H](n2ccc(NP(=O)(N3CC3(C)C)N3CC3(C)C)nc2=O)[C@H](OC(C)=O)[C@@H]1OC(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)OC[C@H]1O[C@@H](n2ccc(NP(=O)(N3CC3(C)C)N3CC3(C)C)nc2=O)[C@H](OC(C)=O)[C@@H]1OC(C)=O?
[ "chloride + lactam", "peroxyseleninic acid + phosphoric triamide", "carbothioic acid + lactam", "lactam + phosphoric triamide" ]
D
easy
standard
CC(=O)OCc1cccc(COC(C)=O)c1B1OC(C)(C)C(C)(C)O1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)OCc1cccc(COC(C)=O)c1B1OC(C)(C)C(C)(C)O1?
[ "boronic acid + carboxylic ester", "boronic ester + lactone", "boronic ester + carboxylic acid", "boronic ester + carboxylic ester" ]
D
hard
standard
CC(=O)O[C@@H]1/C=C(\C)CC[C@]2([C@@](C)(O)C(=O)SCc3oc(=O)oc3C)CC(=O)N([C@H](C)c3nc(cs3)/C=C/C=C/C1=O)[S+]2[O-]
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)O[C@@H]1/C=C(\C)CC[C@]2([C@@](C)(O)C(=O)SCc3oc(=O)oc3C)CC(=O)N([C@H](C)c3nc(cs3)/C=C/C=C/C1=O)[S+]2[O-]?
[ "phosphoric triester + thioester", "carbonic acid diester + seleninic acid", "carbonic acid diester + selenone", "carbonic acid diester + thioester" ]
D
easy
standard
CC(C)(C)OC(=O)Oc1ccccc1-c1ccccc1Op1oc2c(C(C)(C)C)cc(C(C)(C)C)cc2c2cc(C(C)(C)C)cc(C(C)(C)C)c2o1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)OC(=O)Oc1ccccc1-c1ccccc1Op1oc2c(C(C)(C)C)cc(C(C)(C)C)cc2c2cc(C(C)(C)C)cc(C(C)(C)C)c2o1?
[ "aryl ester + carbonic acid diester", "aryl ester + phosphonic monoamide", "aryl ester + phosphoric triester", "carbonic acid diester + selenoxide" ]
A
easy
standard
CC(=O)O[C@@H]1C2=C(C)[C@@H](OC(=O)[C@H](O)[C@@H](NC(=O)c3ccccc3)c3ccccc3)C[C@@](O)([C@@H](OC(=O)c3ccccc3)[C@@H]3[C@]4(OC(C)=O)CO[C@@H]4C[C@@H]4OC(=S)O[C@@H]1[C@]43C)C2(C)C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)O[C@@H]1C2=C(C)[C@@H](OC(=O)[C@H](O)[C@@H](NC(=O)c3ccccc3)c3ccccc3)C[C@@](O)([C@@H](OC(=O)c3ccccc3)[C@@H]3[C@]4(OC(C)=O)CO[C@@H]4C[C@@H]4OC(=S)O[C@@H]1[C@]43C)C2(C)C?
[ "amide + carbothioic O lactone", "lactam + thiocarbonic acid diester", "amide + thiocarbonic acid monoester", "amide + thiocarbonic acid diester" ]
D
hard
standard
CC(=O)O[C@@H]1CC[C@@]2(C)[C@H](CC[C@@H]3[C@@H]2CC[C@]2(C)[C@@H]([C@H](C)C(Br)C(Br)[C@H](C)C(C)C)CC[C@@H]32)C1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)O[C@@H]1CC[C@@]2(C)[C@H](CC[C@@H]3[C@@H]2CC[C@]2(C)[C@@H]([C@H](C)C(Br)C(Br)[C@H](C)C(C)C)CC[C@@H]32)C1?
[ "aryl bromide + carboxylic ester", "bromide + lactone", "bromide + carboxylic acid", "bromide + carboxylic ester" ]
D
hard
standard
CC(=O)O[C@]12[C@@H]3[C@@H](Br)[C@@H]4[C@H]5C[C@H]([C@@H]([C@H]53)[C@H]1Br)[C@@H]42
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)O[C@]12[C@@H]3[C@@H](Br)[C@@H]4[C@H]5C[C@H]([C@@H]([C@H]53)[C@H]1Br)[C@@H]42?
[ "bromide + lactone", "aryl bromide + carboxylic ester", "bromide + carboxylic acid", "bromide + carboxylic ester" ]
D
hard
standard
CC(=O)O[C@@H]1[C@@H](OC(C)=O)[C@H](O[C@H]2CC[C@]34C[C@]35C[C@@H](OC(C)=O)[C@]3(C)[C@H]6[C@H](C)C[C@]7(O[C@H](OC(=O)c8ccccc8)[C@@]8(C)O[C@@H]78)O[C@H]6C[C@@]3(C)[C@@H]5CC[C@H]4C2(C)C)OC[C@H]1OC(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)O[C@@H]1[C@@H](OC(C)=O)[C@H](O[C@H]2CC[C@]34C[C@]35C[C@@H](OC(C)=O)[C@]3(C)[C@H]6[C@H](C)C[C@]7(O[C@H](OC(=O)c8ccccc8)[C@@]8(C)O[C@@H]78)O[C@H]6C[C@@]3(C)[C@@H]5CC[C@H]4C2(C)C)OC[C@H]1OC(C)=O?
[ "epoxide + phosphoric diestermonoamide", "acetal + siloxide", "acetal + epoxide", "acetal + phosphonous diester" ]
C
easy
standard
CC(=O)O[C@@H]1[C@@H](OC(C)=O)[C@H](O[C@H]2CC[C@]34C[C@]35C[C@@H](OC(C)=O)[C@]3(C)[C@H]6[C@H](C)C[C@]7(O[C@H](OC(=O)c8ccccc8F)[C@@]8(C)O[C@@H]78)O[C@H]6C[C@@]3(C)[C@@H]5CC[C@H]4C2(C)C)OC[C@H]1OC(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)O[C@@H]1[C@@H](OC(C)=O)[C@H](O[C@H]2CC[C@]34C[C@]35C[C@@H](OC(C)=O)[C@]3(C)[C@H]6[C@H](C)C[C@]7(O[C@H](OC(=O)c8ccccc8F)[C@@]8(C)O[C@@H]78)O[C@H]6C[C@@]3(C)[C@@H]5CC[C@H]4C2(C)C)OC[C@H]1OC(C)=O?
[ "aryl fluoride + phosphonous diester", "epoxide + selenamide", "aryl fluoride + epoxide", "aryl fluoride + phosphonous monoester" ]
C
easy
standard
CC(=O)O[C@H]1C(=O)[C@@]2(C)[C@H]([C@H](OC(=O)c3ccccc3)[C@]3(O)C[C@H](OC(=O)[C@H](OC(=O)OCCn4ccnc4[N+](=O)[O-])[C@@H](NC(=O)c4ccccc4)c4ccccc4)C(C)=C1C3(C)C)[C@]1(OC(C)=O)CO[C@@H]1C[C@@H]2O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)O[C@H]1C(=O)[C@@]2(C)[C@H]([C@H](OC(=O)c3ccccc3)[C@]3(O)C[C@H](OC(=O)[C@H](OC(=O)OCCn4ccnc4[N+](=O)[O-])[C@@H](NC(=O)c4ccccc4)c4ccccc4)C(C)=C1C3(C)C)[C@]1(OC(C)=O)CO[C@@H]1C[C@@H]2O?
[ "nitro + phosphoric acid", "ketone + phosphonic monoester", "ketone + nitro", "ketone + siloxide" ]
C
easy
standard
CC(=O)c1c(Nc2cccc(C)c2)[nH]c2c(Cl)ccc([N+](=O)[O-])c2c1=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1c(Nc2cccc(C)c2)[nH]c2c(Cl)ccc([N+](=O)[O-])c2c1=O?
[ "nitro + phosphoric triester", "ketone + silanol", "ketone + phosphonic monoester", "ketone + nitro" ]
D
easy
standard
CC(C)C(=O)c1c(Nc2ccc(Cl)cc2F)[nH]c2c(Cl)ccc([N+](=O)[O-])c2c1=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)C(=O)c1c(Nc2ccc(Cl)cc2F)[nH]c2c(Cl)ccc([N+](=O)[O-])c2c1=O?
[ "nitro + phosphoric acid", "nitro + phosphonic diester", "oxoarene + silanol", "nitro + oxoarene" ]
D
easy
standard
CC(=O)O[C@H]1CC[C@@]2(C)[C@@]3(OC[C@@H](OO3)[C@]3(C)[C@@]2(C)CC[C@@]2(C)[C@@H]4CC(C)(C)CC[C@]4(C)CC[C@]32C)C1(C)C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)O[C@H]1CC[C@@]2(C)[C@@]3(OC[C@@H](OO3)[C@]3(C)[C@@]2(C)CC[C@@]2(C)[C@@H]4CC(C)(C)CC[C@]4(C)CC[C@]32C)C1(C)C?
[ "carboxylic ester + peroxo", "carboxylic ester + enolether", "epoxide + peroxo", "carboxylic ester + endiol" ]
A
medium
standard
CC(=O)O[C@H]1CC[C@]2(C)[C@H]3C(=O)C=C4[C@@H]5C[C@@](C)(C(=O)CCOCCOc6no[n+]([O-])c6S(=O)(=O)c6ccccc6)CC[C@]5(C)CC[C@@]4(C)[C@]3(C)CC[C@H]2C1(C)C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)O[C@H]1CC[C@]2(C)[C@H]3C(=O)C=C4[C@@H]5C[C@@](C)(C(=O)CCOCCOc6no[n+]([O-])c6S(=O)(=O)c6ccccc6)CC[C@]5(C)CC[C@@]4(C)[C@]3(C)CC[C@H]2C1(C)C?
[ "boronamide + ketone", "N-oxide + phosphoric monoester", "ketone + N-oxide", "ketone + selenamide" ]
C
easy
standard
CC(=O)O[C@H]1C[C@H](n2cc(C)c(=O)[nH]c2=O)O[C@@H]1CO[P+]([O-])(N1CC1)N1CC1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)O[C@H]1C[C@H](n2cc(C)c(=O)[nH]c2=O)O[C@@H]1CO[P+]([O-])(N1CC1)N1CC1?
[ "carboxylic ester + phosphonium", "carboxylic ester + isothiocyanate", "phosphonic acid + phosphonium", "carboxylic ester + sulfuric monoester" ]
A
easy
standard
CC(=O)O[C@H]1[C@@H](OC(C)=O)[C@@H]2NC(=O)c3c(cc4c(c3O)OCO4)[C@@]23OC(=S)O[C@H]3[C@@H]1OC(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)O[C@H]1[C@@H](OC(C)=O)[C@@H]2NC(=O)c3c(cc4c(c3O)OCO4)[C@@]23OC(=S)O[C@H]3[C@@H]1OC(C)=O?
[ "carboxylic ester + phosphoric acid", "carboxylic ester + seleninic acid", "phosphoric acid + thiocarbonic acid diester", "carboxylic ester + thiocarbonic acid diester" ]
D
easy
standard
CC(=O)Oc1cc(OCC(=O)OCc2c(-c3ccccc3)no[n+]2[O-])cc2oc(-c3ccccc3)cc(=O)c12
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)Oc1cc(OCC(=O)OCc2c(-c3ccccc3)no[n+]2[O-])cc2oc(-c3ccccc3)cc(=O)c12?
[ "N-oxide + nitroso", "N-oxide + oxoarene", "hydrazinecarboxylate + N-oxide", "azo + oxoarene" ]
B
medium
standard
CC(=O)Oc1ccc2cc(Br)ccc2c1Cl
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)Oc1ccc2cc(Br)ccc2c1Cl?
[ "aryl bromide + selenoxide", "aryl chloride + silyl halide", "aryl bromide + boronamide", "aryl bromide + aryl chloride" ]
D
easy
standard
CC(C(O)=C1C(=O)N(c2ccc(Cl)cc2)N(c2ccc(Cl)cc2)C1=O)c1ccc(Br)cc1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C(O)=C1C(=O)N(c2ccc(Cl)cc2)N(c2ccc(Cl)cc2)C1=O)c1ccc(Br)cc1?
[ "aryl bromide + aryl chloride", "aryl chloride + selenamide", "aryl bromide + selenoxide", "aryl bromide + silyl ether" ]
A
easy
standard
CC(=O)PP
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)PP?
[ "carbonyl + phosphinous derivatives", "epoxide + phosphinous derivatives", "carbonyl + iminophosphine", "carbonyl + phosphinous acid" ]
A
medium
standard
CC(=O)SC[Si](CSC(C)=O)(CSC(C)=O)CSC(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)SC[Si](CSC(C)=O)(CSC(C)=O)CSC(C)=O?
[ "phosphoric acid + silane", "borane + thioester", "silane + thioester", "selenone + silane" ]
C
easy
standard
CC(C)(C(=O)O)C(C)(C)[Si](C)(C)C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C(=O)O)C(C)(C)[Si](C)(C)C?
[ "carboxylic acid + phosphine oxide", "phosphoric diester + silane", "carboxylic acid + silane", "borane + carboxylic acid" ]
C
easy
standard
CC(=O)SCc1ccc([Si])cc1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)SCc1ccc([Si])cc1?
[ "silyl halide + thioester", "aryl ester + silane", "carboxylic ester + silane", "silane + thioester" ]
D
hard
standard
CC(=O)[B]CBr
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)[B]CBr?
[ "aryl bromide + carbonyl", "bromide + carbonyl", "bromide + ketone", "bromide + carboxylic acid" ]
B
hard
standard
CC(=O)[C@@H](F)[C@H]1CCCS(=O)(=O)C1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)[C@@H](F)[C@H]1CCCS(=O)(=O)C1?
[ "ketene + sulfone", "ketone + sulfone", "ketone + sulfonic ester", "ketone + sulfonic halide" ]
B
hard
standard
CC(=O)[C@]1(O)Cc2c(O)c3c(c(O)c2[C@@H](OC2C[C@H](N4CC4)[C@H](OS(C)(=O)=O)[C@H](C)O2)C1)C(=O)c1ccccc1C3=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)[C@]1(O)Cc2c(O)c3c(c(O)c2[C@@H](OC2C[C@H](N4CC4)[C@H](OS(C)(=O)=O)[C@H](C)O2)C1)C(=O)c1ccccc1C3=O?
[ "ketone + sulfonic halide", "ketone + sulfonic ester", "ketone + sulfonic acid", "ketene + sulfonic ester" ]
B
hard
standard
CC(=O)c1c(N2CCS(=O)(=O)CC2)nc2c(-c3ccc(-c4ccccc4)nc3)cnn2c1N
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1c(N2CCS(=O)(=O)CC2)nc2c(-c3ccc(-c4ccccc4)nc3)cnn2c1N?
[ "ketone + sulfone", "ketone + sulfonic halide", "ketene + sulfone", "ketone + sulfonic ester" ]
A
hard
standard
CC(=O)c1cc(F)ccc1NC1C[C@H]2CC[C@@H](C1)S2(=O)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1cc(F)ccc1NC1C[C@H]2CC[C@@H](C1)S2(=O)=O?
[ "ketene + sulfone", "ketone + sulfonic halide", "ketone + sulfone", "ketone + sulfonic ester" ]
C
hard
standard
CC(C)(C)C#C[C@]1(O)CC[C@H]2[C@@H]3CCC4=CC(=O)CCC4=C3[C@@H](c3ccc(N4CCS(=O)(=O)CC4)cc3)C[C@@]21C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)C#C[C@]1(O)CC[C@H]2[C@@H]3CCC4=CC(=O)CCC4=C3[C@@H](c3ccc(N4CCS(=O)(=O)CC4)cc3)C[C@@]21C?
[ "ketone + sulfonic ester", "ketene + sulfone", "ketone + sulfone", "ketone + sulfonic halide" ]
C
hard
standard
CC(C)(C)c1ccc(S(=O)(=O)c2cc3c(c4nsnc24)C(=O)c2ccccc2C3=O)cc1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)c1ccc(S(=O)(=O)c2cc3c(c4nsnc24)C(=O)c2ccccc2C3=O)cc1?
[ "ketene + sulfone", "ketone + sulfonic ester", "ketone + sulfone", "ketone + sulfonic halide" ]
C
hard
standard
CC(C)(CCl)C(=O)C(Oc1ccc(-c2ccc(Cl)cc2)cc1)(OS(=O)(=O)c1cccc2c(S(=O)(=O)OC(Oc3ccc(-c4ccc(Cl)cc4)cc3)(C(=O)C(C)(C)CCl)n3ccnc3)cccc12)n1ccnc1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(CCl)C(=O)C(Oc1ccc(-c2ccc(Cl)cc2)cc1)(OS(=O)(=O)c1cccc2c(S(=O)(=O)OC(Oc3ccc(-c4ccc(Cl)cc4)cc3)(C(=O)C(C)(C)CCl)n3ccnc3)cccc12)n1ccnc1?
[ "ketone + sulfonic ester", "ketone + sulfonic acid", "ketone + sulfonic halide", "ketene + sulfonic ester" ]
A
hard
standard
CC(=O)[O][Al]([O]C(C)=O)[O]P(C)(=O)[O][Al]([O]C(C)=O)[O]C(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)[O][Al]([O]C(C)=O)[O]P(C)(=O)[O][Al]([O]C(C)=O)[O]C(C)=O?
[ "carboxylic ester + phosphonic diester", "carboxylic ester + phosphonic monoester", "carboxylic ester + phosphonic acid", "lactone + phosphonic diester" ]
A
hard
standard
CC(C(=O)O)C(C(=O)O)(P(=O)(O)O)P(=O)(O)O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C(=O)O)C(C(=O)O)(P(=O)(O)O)P(=O)(O)O?
[ "carboxylic acid + phosphonic monoester", "carboxylic acid + phosphonic diester", "carboxylic acid + phosphonic acid", "carboxylic ester + phosphonic acid" ]
C
hard
standard
CC(C)(C)C(=O)OCOP(=O)(OCOC(=O)C(C)(C)C)C(Cc1cccc(-c2cccc(-c3ccccc3)c2)c1)P(=O)(OCOC(=O)C(C)(C)C)OCOC(=O)C(C)(C)C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)C(=O)OCOP(=O)(OCOC(=O)C(C)(C)C)C(Cc1cccc(-c2cccc(-c3ccccc3)c2)c1)P(=O)(OCOC(=O)C(C)(C)C)OCOC(=O)C(C)(C)C?
[ "carboxylic ester + phosphonic diester", "carboxylic ester + phosphonic acid", "carboxylic ester + phosphonic monoester", "lactone + phosphonic diester" ]
A
hard
standard
CC(=O)[Si](OC(C)C)(OC(C)C)C(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)[Si](OC(C)C)(OC(C)C)C(C)=O?
[ "carbonyl + silyl ether", "carbonyl + selenoxide", "peroxyseleninic acid + silyl ether", "carbonyl + phosphinous ester" ]
A
easy
standard
CC(=O)c1c(C(F)(F)F)[n+]([O-])c2cc(F)c(N3CCSCC3)cc2[n+]1[O-]
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1c(C(F)(F)F)[n+]([O-])c2cc(F)c(N3CCSCC3)cc2[n+]1[O-]?
[ "boronamide + trifluoromethyl", "N-oxide + phosphoric triamide", "N-oxide + phosphoric triester", "N-oxide + trifluoromethyl" ]
D
easy
standard
CC(=O)c1c(C)c2cnc(Nc3ccc(N4CCN(C(=O)COCCOCCOCCONCc5ccc(S(=O)(=O)Nc6cccc7c(Cl)c[nH]c67)cc5)CC4)cn3)nc2n(C2CCCC2)c1=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1c(C)c2cnc(Nc3ccc(N4CCN(C(=O)COCCOCCOCCONCc5ccc(S(=O)(=O)Nc6cccc7c(Cl)c[nH]c67)cc5)CC4)cn3)nc2n(C2CCCC2)c1=O?
[ "phosphoric acid + sulfonamide", "ketone + phosphonic diester", "ketone + sulfonamide", "ketone + phosphonic monoester" ]
C
easy
standard
CC(=O)c1c(Nc2ccc(F)cc2F)[nH]c2c([N+](=O)[O-])cc(Cl)cc2c1=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1c(Nc2ccc(F)cc2F)[nH]c2c([N+](=O)[O-])cc(Cl)cc2c1=O?
[ "nitro + selenoxide", "aryl chloride + nitro", "aryl chloride + phosphonic monoester", "aryl chloride + silanol" ]
B
easy
standard
CC(=O)c1c(Nc2ccc([N+](=O)[O-])cc2)[nH]c2c([N+](=O)[O-])cc(Cl)cc2c1=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1c(Nc2ccc([N+](=O)[O-])cc2)[nH]c2c([N+](=O)[O-])cc(Cl)cc2c1=O?
[ "aryl chloride + silanol", "nitro + selenoxide", "aryl chloride + phosphonic monoester", "aryl chloride + nitro" ]
D
easy
standard
CC(=O)c1c(O[C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)c(C)c(O)c2c1OC1=CC(=O)/C(=C(/C)N)C(=O)C12C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1c(O[C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)c(C)c(O)c2c1OC1=CC(=O)/C(=C(/C)N)C(=O)C12C?
[ "acetal + selenoxide", "enamine + phosphoric monoesterdiamide", "acetal + phosphinic ester", "acetal + enamine" ]
D
easy
standard
CC(=O)c1c(SCc2ccc(C#N)cc2)[nH]c2c(Br)ccc(Cl)c2c1=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1c(SCc2ccc(C#N)cc2)[nH]c2c(Br)ccc(Cl)c2c1=O?
[ "selenamide + thioether", "aryl bromide + diselenide", "aryl bromide + thioether", "aryl bromide + siloxide" ]
C
easy
standard
CC(=O)c1cc(Br)cc(C)c1C#N
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1cc(Br)cc(C)c1C#N?
[ "ketone + silyl halide", "aryl bromide + ketone", "aryl bromide + phosphoric monoester", "aryl bromide + phosphoric triester" ]
B
easy
standard
CC(=O)c1ccc(Br)cc1O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1ccc(Br)cc1O?
[ "ketone + silyl halide", "aryl bromide + phosphoric monoester", "aryl bromide + ketone", "aryl bromide + phosphoric triester" ]
C
easy
standard
CC(=O)c1cn(CC(=O)N2[C@H](C(=O)Nc3nc(Br)ccc3C)C[C@@]3(C)C[C@@H]23)c2ncc(-c3cnc(C)nc3)cc12
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1cn(CC(=O)N2[C@H](C(=O)Nc3nc(Br)ccc3C)C[C@@]3(C)C[C@@H]23)c2ncc(-c3cnc(C)nc3)cc12?
[ "aryl bromide + phosphoric triester", "ketone + silyl halide", "aryl bromide + phosphoric monoester", "aryl bromide + ketone" ]
D
easy
standard
CC(=O)c1ccc(N2CCN(C(=O)c3cc([N+](=O)[O-])ccc3N3CCCCC3)CC2)c(F)c1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1ccc(N2CCN(C(=O)c3cc([N+](=O)[O-])ccc3N3CCCCC3)CC2)c(F)c1?
[ "aryl fluoride + nitro", "nitro + selenamide", "aryl fluoride + phosphonic monoester", "aryl fluoride + silanol" ]
A
easy
standard
CC(=O)c1ccc2c(c1)C[C@H](C(C)C)O2
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1ccc2c(c1)C[C@H](C(C)C)O2?
[ "ether + oxoarene", "ether + ketone", "ketone + phenol", "ether + ketene" ]
B
hard
standard
CC(C)(C)C(=O)C(Oc1cccc2nonc12)n1cncn1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)C(=O)C(Oc1cccc2nonc12)n1cncn1?
[ "ether + ketone", "ketone + phenol", "ether + oxoarene", "ether + ketene" ]
A
hard
standard
CC(C)C1CC(=O)c2cc(Cl)cc(Br)c2O1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)C1CC(=O)c2cc(Cl)cc(Br)c2O1?
[ "ether + oxoarene", "ether + ketene", "ether + ketone", "ketone + phenol" ]
C
hard
standard
CC(C)CC1CC(=O)CCO1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)CC1CC(=O)CCO1?
[ "ether + oxoarene", "ether + ketene", "ether + ketone", "ketone + phenol" ]
C
hard
standard
CC(=O)c1ccc2c(c1)[Si](C)(C)C[Si]2(C)C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1ccc2c(c1)[Si](C)(C)C[Si]2(C)C?
[ "ketone + silyl halide", "ketone + silicic acid derivative", "ketone + silane", "ketene + silane" ]
C
hard
standard
CC(C)(C)[Si](C)(C)C(=C=O)[Si](C)(C)C(C)(C)C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)[Si](C)(C)C(=C=O)[Si](C)(C)C(C)(C)C?
[ "ketone + silane", "ketene + silyl halide", "ketene + silicic acid derivative", "ketene + silane" ]
D
hard
standard
CC(=O)c1ccc2ccccc2c1OP(=O)(O)O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1ccc2ccccc2c1OP(=O)(O)O?
[ "hemiacetal + phosphoric monoester", "ketenacetal + ketone", "ketone + oxoarene", "ketone + phosphoric monoester" ]
D
medium
standard
CC(=O)c1ccc[n+]([C@@H]2C[C@H](COP(=O)(O)OP(=O)(O)OC[C@H]3O[C@@H](n4cnc5c(N)ncnc54)[C@H](O)[C@@H]3O)[C@@H](O)[C@H]2O)c1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1ccc[n+]([C@@H]2C[C@H](COP(=O)(O)OP(=O)(O)OC[C@H]3O[C@@H](n4cnc5c(N)ncnc54)[C@H](O)[C@@H]3O)[C@@H](O)[C@H]2O)c1?
[ "ketone + phosphoric diester", "ketene + phosphoric diester", "ketone + phosphoric monoester", "ketone + phosphoric triester" ]
A
hard
standard
CC(=O)c1cccc(Br)n1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1cccc(Br)n1?
[ "aryl bromide + oxoarene", "aryl bromide + ketene", "bromide + ketone", "aryl bromide + ketone" ]
D
hard
standard
CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3C[C@H](n4cc[n+](CC(=O)c5cccc(Br)c5)c4)[C@]45C[C@H]4CC[C@]5(C)[C@H]3CC[C@]12C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3C[C@H](n4cc[n+](CC(=O)c5cccc(Br)c5)c4)[C@]45C[C@H]4CC[C@]5(C)[C@H]3CC[C@]12C?
[ "aryl bromide + ketone", "bromide + ketone", "aryl bromide + ketene", "aryl bromide + oxoarene" ]
A
hard
standard
CC(=O)c1cccc([Si](C)(C)C)c1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1cccc([Si](C)(C)C)c1?
[ "ketone + silyl halide", "ketone + silicic acid derivative", "ketone + silane", "phenol + silane" ]
C
medium
standard
CC(=O)c1cccn1CC(I)=C(I)I
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)c1cccn1CC(I)=C(I)I?
[ "iodoalkene + ketene", "acyl iodide + ketone", "iodoalkene + oxoarene", "iodoalkene + ketone" ]
D
hard
standard
CC(=O)n1c2ccccc2c(=O)n1C(C)C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)n1c2ccccc2c(=O)n1C(C)C?
[ "lactam + phosphoric acid", "carbonyl + lactam", "carbonyl + selenonic acid", "carbonyl + peroxyseleninic acid" ]
B
easy
standard
CC(=O)n1cc(F)c(=O)n(C(C)=O)c1=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)n1cc(F)c(=O)n(C(C)=O)c1=O?
[ "imide + phosphonic diester", "carbonyl + phosphonic acid", "carbonyl + peroxyseleninic acid", "carbonyl + imide" ]
D
easy
standard
CC(=O)n1ncc2c(-n3c(C(F)(F)F)cc4c(N)ncnc4c3=O)c(C)ccc21
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)n1ncc2c(-n3c(C(F)(F)F)cc4c(N)ncnc4c3=O)c(C)ccc21?
[ "carbonyl + phosphonic acid", "carbonyl + lactam", "lactam + phosphonic diester", "carbonyl + peroxyseleninic acid" ]
B
easy
standard
CC(=O)n1cc(C=O)c2ccccc21
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)n1cc(C=O)c2ccccc21?
[ "carbonyl + ketone", "aldehyde + carboxylic acid", "aldehyde + ketone", "aldehyde + carbonyl" ]
D
hard
standard
CC(=O)n1ncc2c(Nc3c(-c4ncccn4)oc4cnccc34)cc(Cl)cc21
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=O)n1ncc2c(Nc3c(-c4ncccn4)oc4cnccc34)cc(Cl)cc21?
[ "carbonyl + tertiary amine", "carbonyl + secondary amine", "ketone + secondary amine", "carbonyl + primary amine" ]
B
hard
standard
CC(=S)P(C)(C)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(=S)P(C)(C)=O?
[ "phosphine oxide + sulfanylidene", "phosphine oxide + phosphonium", "carboxylic anhydride + sulfanylidene", "phosphine oxide + selanyl halide" ]
A
easy
standard
CC(Br)C1CCS(=O)(=O)CC1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(Br)C1CCS(=O)(=O)CC1?
[ "bromide + phosphonic diester", "bromide + phosphonic monoester", "selenoxide + sulfone", "bromide + sulfone" ]
D
easy
standard
CC(Br)N=P
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(Br)N=P?
[ "bromide + iminophosphine", "iminophosphine + selenamide", "bromide + enolester", "1,2-diol + bromide" ]
A
easy
standard
CC(C#N)C1(O)CC2CCC1C2
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C#N)C1(O)CC2CCC1C2?
[ "hydroxy + isocyanate", "cyanohydrin + hydroxy", "hydroxy + nitrile", "nitrile + phenol" ]
C
hard
standard
CC(C#N)OCC(F)F
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C#N)OCC(F)F?
[ "difluoromethyl + phosphoric diamide", "difluoromethyl + nitrile", "difluoromethyl + phosphoric monoamide", "nitrile + phosphinic acid" ]
B
easy
standard
CC(C)(C)OC(=O)N1C[C@@H]2C[C@H]1[C@]1(C)C(=O)N(c3ccc(C#N)c(C(F)(F)F)c3)C(=O)N21
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)OC(=O)N1C[C@@H]2C[C@H]1[C@]1(C)C(=O)N(c3ccc(C#N)c(C(F)(F)F)c3)C(=O)N21?
[ "phosphoric monoamide + trifluoromethyl", "nitrile + phosphoric monoester", "nitrile + phosphoric triester", "nitrile + trifluoromethyl" ]
D
easy
standard
CC(C)(F)C[C@H](N[C@@H](c1ccc(-c2ccc(-c3ccncc3)cc2)cc1)C(F)(F)F)C(=O)N[C@H](C#N)Cc1ccccc1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(F)C[C@H](N[C@@H](c1ccc(-c2ccc(-c3ccncc3)cc2)cc1)C(F)(F)F)C(=O)N[C@H](C#N)Cc1ccccc1?
[ "nitrile + phosphoric triester", "nitrile + trifluoromethyl", "nitrile + phosphoric triamide", "phosphoric monoamide + trifluoromethyl" ]
B
easy
standard
CC(C)(F)C[C@H](N[C@@H](c1ccc(-c2ccc(C3(C(N)=O)CC3)cc2F)cc1)C(F)F)C(=O)NC1(C#N)CC1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(F)C[C@H](N[C@@H](c1ccc(-c2ccc(C3(C(N)=O)CC3)cc2F)cc1)C(F)F)C(=O)NC1(C#N)CC1?
[ "difluoromethyl + phosphoric diestermonoamide", "nitrile + seleninic acid", "difluoromethyl + nitrile", "difluoromethyl + phosphoric monoamide" ]
C
easy
standard
CC(C(=O)O)c1ccc(C[SiH](C)C)cc1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C(=O)O)c1ccc(C[SiH](C)C)cc1?
[ "carboxylic acid + silyl hydride", "carboxylic acid + selanyl halide", "phosphoric triester + silyl hydride", "carboxylic acid + phosphonium" ]
A
easy
standard
CC(C(=O)O[Si](C)(C)C(C)(C)C)C(CC(=O)O[Si](C)(C)C(C)(C)C)(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C(=O)O[Si](C)(C)C(C)(C)C)C(CC(=O)O[Si](C)(C)C(C)(C)C)(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C?
[ "carboxylic ester + siloxane", "carboxylic ester + silanol", "carboxylic ester + silyl ether", "lactone + silyl ether" ]
C
hard
standard
CC(C(O)(O)O)C(O)(CC(O)(O)C(N)(O)C(C)(O)C(C)(C(C)(O)c1c(O)c(O)c(O)c(OC(C)(O)C(C)(O)C(O)(O)OC(C)(O)O)c1O)C(O)(C(C)(O)O)C(C)(O)O)C(=O)NC(O)(O)C(C(N)=O)(C(C)(O)O)C(O)(O)O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C(O)(O)O)C(O)(CC(O)(O)C(N)(O)C(C)(O)C(C)(C(C)(O)c1c(O)c(O)c(O)c(OC(C)(O)C(C)(O)C(O)(O)OC(C)(O)O)c1O)C(O)(C(C)(O)O)C(C)(O)O)C(=O)NC(O)(O)C(C(N)=O)(C(C)(O)O)C(O)(O)O?
[ "hemiketal + N-oxide", "primary amine + urethane", "hemiketal + urea", "hemiketal + primary amine" ]
D
medium
standard
CC(C)(C)[C@@]1(O)C[N+](C)(C)CCO1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)[C@@]1(O)C[N+](C)(C)CCO1?
[ "ammonium + oxim-ester", "hemiketal + N-oxide", "ammonium + dicarbodiazene", "ammonium + hemiketal" ]
D
medium
standard
CC(C)(C#Cc1ccc(-c2ccc(Cl)c3c(NS(=O)(=O)C4CC4)nn(CC(F)F)c23)c([C@@H](N)Cc2cc(F)cc(F)c2)n1)CS(=O)[O-]
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C#Cc1ccc(-c2ccc(Cl)c3c(NS(=O)(=O)C4CC4)nn(CC(F)F)c23)c([C@@H](N)Cc2cc(F)cc(F)c2)n1)CS(=O)[O-]?
[ "sulfinic acid + sulfonamide", "imide + sulfinic acid", "acyl chloride + sulfonamide", "isocyanate + sulfinic acid" ]
A
medium
standard
CC(C)(C#N)OP(=O)(O)C(C)(C)C#N
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C#N)OP(=O)(O)C(C)(C)C#N?
[ "guanidine + nitrile", "cyanohydrin + phosphonic monoester", "isothiourea + nitrile", "nitrile + phosphonic monoester" ]
D
medium
standard
CC(C)(C)/[N+]([O-])=C/c1ccc(C(=O)NCCCCC(NC(=O)[C@H](O)[C@H](O)[C@@H](C[C@H](O)CO)O[C@@H]2O[C@H](CO)[C@H](O)[C@H](O)[C@H]2O)C(=O)NCCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)cc1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)/[N+]([O-])=C/c1ccc(C(=O)NCCCCC(NC(=O)[C@H](O)[C@H](O)[C@@H](C[C@H](O)CO)O[C@@H]2O[C@H](CO)[C@H](O)[C@H](O)[C@H]2O)C(=O)NCCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)cc1?
[ "N-oxide + phosphinic ester", "hydroxy + N-oxide", "hydroxy + phosphoric diamide", "hydroxy + selenamide" ]
B
easy
standard
CC(C)(C)/[N+]([O-])=C/c1cccnc1Cl
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)/[N+]([O-])=C/c1cccnc1Cl?
[ "aryl chloride + ketone", "aryl chloride + carbonyl", "chloride + N-oxide", "aryl chloride + N-oxide" ]
D
medium
standard
CC(C)(C)C#Cc1cc2nsnc2cc1[N+](=O)[O-]
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)C#Cc1cc2nsnc2cc1[N+](=O)[O-]?
[ "alkene + nitro", "alkyne + nitroso", "alkyne + nitro", "alkyne + nitrosamine" ]
C
hard
standard
CC(C)(C)C(=O)N1CC2CCCC(C1)[S+]2c1ccc(C(C)(C)C)cc1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)C(=O)N1CC2CCCC(C1)[S+]2c1ccc(C(C)(C)C)cc1?
[ "amide + thiol", "lactam + sulfonium", "amide + sulfonium", "amide + aryl thiol" ]
C
hard
standard
CC(C)(C)C1(I)C(C)(I)C(I)(I)C(C)(I)C(I)(I)C1(Br)I
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)C1(I)C(C)(I)C(I)(I)C(C)(I)C(I)(I)C1(Br)I?
[ "aryl bromide + iodide", "bromide + iodoalkene", "bromide + iodide", "aryl iodide + bromide" ]
C
hard
standard
CC(C)(C)C1=CC(=C/C=C/c2cc(C(C)(C)C)[te+]c(C(C)(C)C)c2)C=C(C(C)(C)C)[Se]1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)C1=CC(=C/C=C/c2cc(C(C)(C)C)[te+]c(C(C)(C)C)c2)C=C(C(C)(C)C)[Se]1?
[ "alkene + bromoformate", "alkene + hydrazinecarboxylate", "alkene + selenide", "phosphoric monoamide + selenide" ]
C
easy
standard
CC(C)(C)C1=CSC(=C2Sc3ccccc3C2=O)N1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)C1=CSC(=C2Sc3ccccc3C2=O)N1?
[ "phosphoric monoester + thioenolether", "ketone + phosphinic ester", "ketone + phosphoric monoester", "ketone + thioenolether" ]
D
easy
standard
CC(C)(C)C1=C[C+](C(F)(F)F)C(=C=C2C(Br)=CC(C(C)(C)C)=CC2Br)C(C(F)(F)F)=C1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)(C)C1=C[C+](C(F)(F)F)C(=C=C2C(Br)=CC(C(C)(C)C)=CC2Br)C(C(F)(F)F)=C1?
[ "bromoalkene + fluoride", "bromoalkene + trifluoromethyl", "bromoalkene + difluoromethyl", "aryl bromide + trifluoromethyl" ]
B
hard
standard