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, or c without using any additional words.
Options:
(a) CC(O)Cc1cc(N)cc([N+](=O)[O-])c1N
(b) CCCCON(OC(C)=O)C(=O)c1ccc([N+](=O)[O-])cc1
(c) Cc1ccc(Cl)cc1N
Answer: a, c
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}