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 additional words.
Options:
(a) O=C(O)c1cccc(Cl)c1
(b) Oc1ccc2ncccc2c1
(c) O=[N+]([O-])c1ccc2[nH]ncc2c1
Answer: a, 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}