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 CCCCOC(=O)c1ccccc1C(=O)OCCCC
b CC(C)(C)NCC(O)c1cc(Cl)c(N)c(C(F)(F)F)c1
c O=C(O)c1cc(Cl)cc(Cl)c1
d CCc1cccc(CC)c1N=O
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}