Task: Please answer the multiple choice question.
Question: Which molecules are mutagenic?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] CCN(CC)c1ccc(N)cc1
[b] O=C(c1ccc([N+](=O)[O-])cc1)C1OC1c1ccccc1
[c] O=C(CBr)c1ccc(Br)cc1
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}