Task: Please answer the multiple choice question.
Question: Which molecules are mutagenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a [N-]=[N+]=Nc1ccc(F)c([N+](=O)[O-])c1
b O=[N+]([O-])c1cccc([N+](=O)[O-])c1O
c Cc1cc(S(=O)(=O)O)c(N)cc1Cl
d CCO[P@](=S)(CC)Sc1ccccc1
Answer: a, c
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}