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) COc1c(C(=O)O)c(O)nc2ccccc12
(b) Nc1ccc([N+](=O)[O-])cc1N
(c) COP(=S)(OC)Oc1ccc(N=O)c(C)c1
(d) COc1cc(C(C)=O)cc(OC)c1O
Answer: a, 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}