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) COc1cc2c3c(c1OC)-c1cc4c(cc1CC3N(C)CC2)OCO4
b) Nc1cccc(O)c1[N+](=O)[O-]
c) c1cc2cccc3c4cccc5cccc(c(c1)c23)c54
d) Fc1ccc2ncccc2c1F
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}