Task: Please answer the multiple choice question.
Question: Which molecules are not Ames mutagenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a O=[N+]([O-])c1cccc([N+](=O)[O-])c1CO
b Nc1c(S(=O)(=O)O)cc(NC2CCCCC2)c2c1C(=O)c1ccccc1C2=O
c CCCCC/C(C=O)=C/c1ccccc1
d O=C(O)CCC(=O)OCC(NC(=O)C(Cl)Cl)C(O)c1ccc([N+](=O)[O-])cc1
Answer: a, b, c, d
Task: Please answer the multiple choice question.
Question: Which molecules are {mutagenic#not &NULL}{mutagenic__names__adjective}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%mutagenic%}
Answer: {%multiple_choice_result}