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, or d without using any other words.
Options:
a Cc1ccc([N+](=O)[O-])c(C)c1[N+](=O)[O-]
b CC1(C)Cc2ncccc2-c2nc(N)sc21
c Nc1ccc(O)c([N+](=O)[O-])c1
d CCCCC(=O)n1ncc(Cl)c(Cl)c1=O
Answer: d
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}