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, or c without using any additional words.
Options:
a. COP(=S)(OC)SCn1nnc2ccccc2c1=O
b. CC(C)[C@@H]1CC[C@@H](C)CC1=O
c. O=C(NCO)c1ccc(Cl)cc1
Answer: 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}