Task: Please answer the multiple choice question.
Question: Which molecules are mutagenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) [N-]=[N+]=Nc1ccc(F)c([N+](=O)[O-])c1
(b) CCOC(=O)C(C)(C)Oc1ccc(Cl)cc1
(c) O=C(Cl)c1cccc([N+](=O)[O-])c1
(d) CC(=O)N(O)c1ccccc1C
Answer: a, c, 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}