Task: Please answer the multiple choice question.
Question: Which molecules are toxic in the NR-Aromatase enzyme assay?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CC[C@H]1CN2CCc3cc(OC)c(OC)cc3[C@@H]2C[C@@H]1C[C@H]1NCCc2cc(OC)c(OC)cc21
[b] O=C(CCCN1CCN(c2ccccn2)CC1)c1ccc(F)cc1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {toxicity_NR-Aromatase#not &NULL}{toxicity_NR-Aromatase__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-Aromatase%}
Answer: {%multiple_choice_result}