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] CC(Cl)c1ccccc1
[b] O=c1[nH]c(=O)n(Cl)c(=O)n1Cl
[c] Nc1c2ncn(C(c3ccccc3)c3ccccc3)c2nc[n+]1[O-]
[d] [N-]=[N+]=NCc1ccccc1
Answer: a, b
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}