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.) CN1CCN(c2c(F)cc3c(=O)c(C(=O)O)cn(CCF)c3c2F)CC1
b.) CCc1cn(C2CC(O)C(CO)O2)c(=O)[nH]c1=O
c.) Nc1cc(Cl)cc(C(=O)O)c1Cl
d.) C=Cc1ccc(N)cc1
Answer: b
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}