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: CNC(=O)Oc1ccccc1
b: COc1ccccc1N
c: Cc1ccc(Nc2ccc(O)c3c2C(=O)c2ccccc2C3=O)cc1
d: Cc1cc(N)cc([N+](=O)[O-])c1N
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}