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 additional words.
Options:
a O=C1CCCCCO1
b CCCCC[C@@H](CC)OC(=O)c1cccc(C(=O)O[C@H](CC)CCCCC)c1
c Cc1ccc(S(=O)(=O)O)c(C)c1
d O=C(c1ccc(F)cc1)C1OC1c1ccccc1
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}