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 NC(=S)Nc1cccc2ccccc12
b Cc1ccc([N+](=O)[O-])c(N)c1
c Nc1nc(O)c2[nH]nnc2n1
d CCOC(=O)c1ccccc1C(=O)OCC
Answer: 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}