Task: Please answer the multiple choice question.
Question: Which molecules are mutagenic?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=[N+]([O-])c1ccc(Oc2ccc(N=C=S)cc2)cc1
(b) Cc1cc(N)c(C)c([N+](=O)[O-])c1N
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}