Task: Please answer the multiple choice question.
Question: Which molecules are not mutagenic?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a.) CC(Br)C(=O)Nc1ccccc1
b.) O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
c.) CC(=O)c1ccc([N+](=O)[O-])cc1
d.) Cc1ccc(N)cc1[N+](=O)[O-]
e.) C=Cc1ccc(OC)cc1
Answer: b, e
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}