Task: Answer the multiple-choice question.
Query: Which drug exhibits a 9.693\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) O=C(Nc1ccc2nc(-c3ccc(Br)o3)[nH]c2c1)c1ccco1
b) COc1ccccc1N1CCN(c2ccc([N+](=O)[O-])cn2)CC1
Answer: b. COc1ccccc1N1CCN(c2ccc([N+](=O)[O-])cn2)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#}
COc1ccccc1N1CCN(c2ccc([N+](=O)[O-])cn2)CC1
COc1ccccc1N1CCN(c2ccc([N+](=O)[O-])cn2)CC1
1-(2-methoxyphenyl)-4-(5-nitropyridin-2-yl)piperazine