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: CC(C)COS(=O)(=O)c1ccccc1
b: c1ccc2ncccc2c1
c: CCCON(OC(C)=O)C(=O)c1ccccc1
d: COc1ccc(CNC(=O)C(C)Br)cc1
Answer: a, b, 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}