Task: Please answer the multiple choice question.
Question: Which molecules are not toxic in the NR-AhR assay?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(Nc1ccccc1)c1cc(Cl)ccc1O
[b] CCN(CC)c1cc2[o+]c3cc(N(CC)CC)c(C)cc3c(-c3ccc(S(=O)(=O)[O-])cc3S(=O)(=O)[O-])c2cc1C
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {toxicity_NR-AhR#not &NULL}{toxicity_NR-AhR__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%toxicity_NR-AhR%}
Answer: {%multiple_choice_result}