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 additional words.
Options:
a) O=C(CBr)c1ccccc1
b) NC(=S)c1c(Cl)cccc1Cl
c) Oc1ccc2ncccc2c1
d) COc1ccc(N)c(C)c1
e) CCC(C)c1cc([N+](=O)[O-])cc([N+](=O)[O-])c1O
Answer: a, 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}