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 other words.
Options:
[a] Cc1cccc([N+](=O)[O-])c1
[b] C[C@@H](N)[C@@H](O)c1ccccc1
[c] CCC(C)Nc1ccc(NC(C)CC)cc1
[d] O=[N+]([O-])c1cccc(CBr)c1
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}