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) Oc1cc(O)c2ccccc2c1
(b) O=C(O)c1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
(c) c1ccc2ccccc2c1
(d) N#CCc1ccccc1[N+](=O)[O-]
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}