Task: Please answer the multiple choice question.
Question: Which molecules are not mutagenic?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a.) CCOc1ccc(NC(=O)C[C@@H](C)O)cc1
b.) O=[N+]([O-])c1cc(C(F)(F)F)cc([N+](=O)[O-])c1O
c.) Nc1cc([N+](=O)[O-])ccc1C(=O)O
Answer: 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}