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=C(O)c1cc([N+](=O)[O-])cc2cccnc12
b CN(C)C(=O)Nc1ccc(Cl)cc1
c O=[N+]([O-])c1ccc(CCO)cc1
d O=[N+]([O-])C1=Cc2c3c1cccc3cc1ccc3ccccc3c21
Answer: b
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}