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 other words.
Options:
a CC(O)Cc1cc(N)cc([N+](=O)[O-])c1N
b COc1c([N+](=O)[O-])cc([N+](=O)[O-])cc1[N+](=O)[O-]
c O=[N+]([O-])c1cc(Cl)ccc1Cl
d CC1CC(OC(=O)c2ccccc2O)CC(C)(C)C1
Answer: a, 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}