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) Nc1c(Cl)cc([N+](=O)[O-])cc1Cl
b) CSc1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
c) c1ccc2c(c1)Nc1ccccc1S2
d) CCOC(=O)c1ccccc1C(=O)OCC
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}