Task: Please answer the multiple choice question.
Question: Which molecules are Ames mutagenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] O=CN(O)c1ccc2ccccc2c1
[b] CC(C)(Br)C(=O)NCc1ccccc1
[c] [N-]=[N+]=Nc1ccc(F)c([N+](=O)[O-])c1
[d] O=[N+]([O-])c1ccc(Oc2ccc(Cl)cc2Cl)cc1
Answer: a, 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}