Task: Please answer the multiple choice question.
Question: Which molecules are not Ames mutagenic?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. O=[N+]([O-])c1ccc(O)cc1[N+](=O)[O-]
b. Cc1ccc2ccccc2c1
c. CN(Cc1ccccc1)C(=O)CBr
d. O=C(O)CNC(=O)c1ccc([N+](=O)[O-])cc1
e. N#CC(O)c1ccccc1
Answer: b, c, 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}