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 additional words.
Options:
(a) O=C(O)c1ccc([N+](=O)[O-])c([N+](=O)[O-])c1
(b) Cn1cnc([N+](=O)[O-])c1Sc1[nH]cnc2ncnc1-2
(c) CC1=C(C)C(=O)C(C)=C(C)C1=O
(d) NC(Cc1ccc(F)cc1)C(=O)O
Answer: a, 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}