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.) O=Cc1ccc(Cl)cc1Cl
b.) C=Cc1ccc(N)cc1
c.) CCCCC(CC)COC(=O)C=Cc1ccc(OC)cc1
d.) Cc1cccc([N+](=O)[O-])c1C(O)O
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}