Task: Please answer the multiple choice question.
Question: Which molecules are not mutagenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) O=[N+]([O-])c1cc(Cl)ccc1Cl
b) CCC(=O)n1ncc(Cl)c(Cl)c1=O
c) CN(C)c1ccc(N=O)cc1
d) [N-]=[N+]=NCc1ccccc1
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}