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(c1ccccc1)[C@H]1O[C@@H]1c1ccccc1
b: O=[N+]([O-])c1ccc(Cl)cc1
c: CCOc1ccc(N)cc1
d: COc1ccc(/C(Br)=C\C(=O)O)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}