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, or c without using any other words.
Options:
(a) O=[N+]([O-])c1ccc(NO)cc1
(b) C=C(CC)C(=O)c1ccc(OCC(=O)O)c(Cl)c1Cl
(c) O=C(Cl)c1ccc(Cl)cc1Cl
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}