Problem statement: Answer the multiple-choice question.
Question: Which compound has a 3.972\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1ccc(Nc2ccncc2[N+](=O)[O-])cc1
b: CCOC(=O)c1c(C)[nH]c(C)c1S(=O)(=O)NCc1cc(C)ccc1C
Answer: a. COc1ccc(Nc2ccncc2[N+](=O)[O-])cc1
{#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#}
COc1ccc(Nc2ccncc2[N+](=O)[O-])cc1
COc1ccc(Nc2ccncc2[N+](=O)[O-])cc1
N-(4-methoxyphenyl)-3-nitropyridin-4-amine