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 additional words.
Options:
a O=[N+]([O-])c1cc(F)ccc1F
b Nc1ccccc1S
c O=CN(O)c1ccccc1
d Cc1cc([N+](=O)[O-])ccc1N
e CN(C)N=Nc1ccc(Br)cc1
Answer: c
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}