Task: Answer the multiple-choice question.
Question: Which compound exhibits a -22.759% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C1Nc2ccc([N+](=O)[O-])cc2OC1CCN1CCN(Cc2ccccc2)CC1
(b) N#CC(C#N)=c1ccc2c(c1)NC1(CCCCC1)N=2
Answer: a. O=C1Nc2ccc([N+](=O)[O-])cc2OC1CCN1CCN(Cc2ccccc2)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C1Nc2ccc([N+](=O)[O-])cc2OC1CCN1CCN(Cc2ccccc2)CC1
O=C1Nc2ccc([N+](=O)[O-])cc2OC1CCN1CCN(Cc2ccccc2)CC1
2-[2-(4-benzylpiperazin-1-yl)ethyl]-7-nitro-4H-1,4-benzoxazin-3-one