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, d, or e without using any other words.
Options:
(a) CCOc1ccc([N+](=O)[O-])cc1
(b) O=Cc1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
(c) O=[N+]([O-])c1cccc(Cl)c1
(d) CC1(c2ccccc2)C(=O)c2ccccc2N1O
(e) O=C(O)c1c(Br)c(Br)c(Br)c(Br)c1C(=O)O
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}