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(C)CN1CCS(=O)(=O)[C@@H]2CCN(S(=O)(=O)C3CC3)CC[C@@H]21
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)CN1CCS(=O)(=O)[C@@H]2CCN(S(=O)(=O)C3CC3)CC[C@@H]21?
[ "sulfonamide + sulfone", "carbothioic halide + sulfone", "semicarbazide + sulfonamide", "carbonic acid diester + sulfonamide" ]
A
medium
standard
CC(C)CN1CCS(=O)(=O)[C@@H]2CCN(S(=O)(=O)N(C)C)CC[C@@H]21
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)CN1CCS(=O)(=O)[C@@H]2CCN(S(=O)(=O)N(C)C)CC[C@@H]21?
[ "isothiourea + sulfone", "semicarbazide + sulfamide", "sulfamide + sulfone", "carbonic acid diester + sulfamide" ]
C
medium
standard
CC(C)COC(=O)N[C@H](COC(=O)O)C(=O)N[C@@H](C)C(=O)N[C@H]1CCCN(C(=N)N)C1O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)COC(=O)N[C@H](COC(=O)O)C(=O)N[C@@H](C)C(=O)N[C@H]1CCCN(C(=N)N)C1O?
[ "carbonic acid monoester + selenone", "phosphoric diamide + urethane", "carbonic acid monoester + peroxyseleninic acid", "carbonic acid monoester + urethane" ]
D
easy
standard
CC(C)COC(=O)[C@H](F)Br
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)COC(=O)[C@H](F)Br?
[ "carboxylic ester + difluoromethyl", "aryl fluoride + carboxylic ester", "carboxylic ester + fluoride", "fluoride + lactone" ]
C
hard
standard
CC(C)COP(=O)(OCC(C)C)C(N=C=S)c1ccccc1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)COP(=O)(OCC(C)C)C(N=C=S)c1ccccc1?
[ "isothiocyanate + phosphonic diester", "phosphonic diester + selenone", "disulfide + isothiocyanate", "isothiocyanate + sulfanylidene" ]
A
easy
standard
CC(C)CO[P+]([O-])(OCC(C)C)C(Cc1cc(C(C)(C)C)c(O)c(C(C)(C)C)c1)[P+]([O-])(OCC(C)C)OCC(C)C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)CO[P+]([O-])(OCC(C)C)C(Cc1cc(C(C)(C)C)c(O)c(C(C)(C)C)c1)[P+]([O-])(OCC(C)C)OCC(C)C?
[ "phenol + sulfuric monoester", "borinic ester + phosphonium", "isothiocyanate + phenol", "phenol + phosphonium" ]
D
easy
standard
CC(C)CO[Si](OCC(C)C)(OCC(C)C)O[Si](OCC(C)C)(OCC(C)C)OCC(C)C
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)CO[Si](OCC(C)C)(OCC(C)C)O[Si](OCC(C)C)(OCC(C)C)OCC(C)C?
[ "phosphoric triamide + siloxane", "boronic ester + silicic acid derivative", "phosphinic ester + silicic acid derivative", "silicic acid derivative + siloxane" ]
D
easy
standard
CC(C)COc1ncc(-c2cn(C)c3cc(C(=O)NS(=O)(=O)N4CCCCC4)ccc23)cc1Cl
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)COc1ncc(-c2cn(C)c3cc(C(=O)NS(=O)(=O)N4CCCCC4)ccc23)cc1Cl?
[ "acyl sulfonamide + thioenolether", "sulfamide + sulfinic ester", "acyl sulfonamide + semicarbazone", "acyl sulfonamide + sulfamide" ]
D
medium
standard
CC(C)CS(=O)(=O)Oc1ccc(S(=O)(=O)CC2CS2)cc1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)CS(=O)(=O)Oc1ccc(S(=O)(=O)CC2CS2)cc1?
[ "ketene + sulfone", "ketone + sulfonic ester", "enolester + sulfone", "sulfone + sulfonic ester" ]
D
medium
standard
CC(C)C[C@H](N)C(=O)N1CCCN1C(=O)Nc1cccc([N+](=O)[O-])c1
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)C[C@H](N)C(=O)N1CCCN1C(=O)Nc1cccc([N+](=O)[O-])c1?
[ "nitro + selenonic acid", "semicarbazide + silanol", "nitro + semicarbazide", "nitro + phosphonic acid" ]
C
easy
standard
CC(C)C[C@H](NC(=O)[C@H](C)NC(=O)[C@@H](N)Cc1ccc(O)cc1)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@H](C)P(=O)(O)CCC(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCC(=O)O)C(N)=O
present_pair
Which pair of functional groups is present in the molecule with SMILES CC(C)C[C@H](NC(=O)[C@H](C)NC(=O)[C@@H](N)Cc1ccc(O)cc1)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@H](C)P(=O)(O)CCC(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCC(=O)O)C(N)=O?
[ "phenol + phosphinic acid", "phenol + sulfuric derivative", "phosphinic acid + selenonic acid", "carbodithioic ester + phenol" ]
A
easy
standard