Task: Please answer the multiple choice question.
Question: Which molecules are Ames mutagenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CC(C)NCC(O)COc1ccc(CC(N)=O)cc1
(b) Cc1cc(N)c(C)c([N+](=O)[O-])c1N
(c) Clc1cc(Cl)c(Cl)cc1Cl
(d) COC(=O)c1ccccc1C(=O)OC
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}