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) O=Cc1cccc(Cl)c1Cl
(b) CN(C)c1ccc(N=NS(=O)(=O)O)cc1
(c) Nc1ccc([N+](=O)[O-])cc1N
(d) O=C(O)CC(NC(=O)COc1ccc(Cl)cc1Cl)C(=O)O
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}