Task: Please answer the multiple choice question.
Question: Which molecules are Ames mutagenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCC(=O)N(O)c1ccc2ccccc2c1
b: O=C1CC(=Nc2ccccc2)C(=O)c2ccccc21
c: Cc1c(N=C=O)cccc1N=C=O
d: CCCC(=O)OCc1ccc([N+](=O)[O-])cc1
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}