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. O=C1CC(=O)C1=O
b. Sc1ccccc1
c. CC(C)(C)NCC(O)c1cc(Cl)c(N)c(C(F)(F)F)c1
d. CC(=O)N(O)c1ccc([N+](=O)[O-])cc1
Answer: a, b, 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}