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) C1CC2OC2C1OC1CCC2OC12
(b) BrCc1cccc(CBr)c1
(c) CC(CN=[N+]=[N-])c1ccccc1
(d) O=C(O)CCC(=O)Nc1cc(Cl)cc(Cl)c1
Answer: a, 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}