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) COc1cc([N+](=O)[O-])ccc1N
b) CCC(=O)OCc1cccc([N+](=O)[O-])c1
c) CC(C)(C)C1=CC(=O)C=CC1=O
d) Nc1ccccc1C(F)(F)F
Answer: b, 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}