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=[N+]([O-])c1ccccc1C(F)(F)F
b) COC(=O)/C(C#N)=C/c1ccccc1Br
c) O=C(O)CCC(=O)Nc1cc(Cl)c(Cl)c(Cl)c1
d) CCC(C)(C)c1ccc(O)cc1
Answer: a, b, c, 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}