Task: Answer the multiple-choice question.
Query: Which compound has a 8.512\% 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(OCC(=O)N1CCN(c2ccccc2)CC1)c1ccc[n+]([O-])c1
b. CC(C)CCN(N=O)[C@@H](Cc1ccccc1)CN(N=O)[C@@H](Cc1ccccc1)CN(C)N=O.[Na+]
Answer: a. O=C(OCC(=O)N1CCN(c2ccccc2)CC1)c1ccc[n+]([O-])c1
{#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#}
O=C(OCC(=O)N1CCN(c2ccccc2)CC1)c1ccc[n+]([O-])c1
O=C(OCC(=O)N1CCN(c2ccccc2)CC1)c1ccc[n+]([O-])c1
[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl] 1-oxidopyridin-1-ium-3-carboxylate