Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 3.142\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) Nc1cc([N+](=O)[O-])ccc1O
b.) O=C1CC(NNc2ccccc2)C(=O)N1c1cccc(Cl)c1
c.) O=C(Nc1ccc([N+](=O)[O-])cc1)c1cncc(Br)c1
Answer: a. Nc1cc([N+](=O)[O-])ccc1O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
6-amino-4-nitrocyclohexa-1,3,5-trien-1-ol