Task: Please answer the multiple choice question.
Question: Which molecules are toxic in the NR-AhR assay?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: Cc1cc(O)ccc1N
b: Cc1ccc(-c2ncc(Cl)cc2-c2ccc(S(C)(=O)=O)cc2)cn1
c: CCCC(=O)OC(C)(C)Cc1ccccc1
d: Cc1c(C)c([N+](=O)[O-])c(C(C)(C)C)c([N+](=O)[O-])c1C
Answer: a
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}