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, c, or d without using any additional words.
Options:
a.) CCCCc1ccc(/N=C\c2ccc(OC)cc2)cc1
b.) Cc1cc(C)cc(O)c1
c.) Nc1ccc(NCCO)c([N+](=O)[O-])c1
d.) CN(C)c1ccc(N(C)C)cc1
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}