Task: Answer the multiple-choice question.
Query: Which compound exhibits a 9.184\% 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: CC1CCc2nc(NC(=O)Nc3ccc4c(c3)OCO4)sc2C1
b: NC(=O)c1cc[n+](CC(=O)NC(=O)Nc2ccccc2)cc1
Answer: b. NC(=O)c1cc[n+](CC(=O)NC(=O)Nc2ccccc2)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#}
NC(=O)c1cc[n+](CC(=O)NC(=O)Nc2ccccc2)cc1
NC(=O)c1cc[n+](CC(=O)NC(=O)Nc2ccccc2)cc1
1-[2-oxo-2-(phenylcarbamoylamino)ethyl]pyridin-1-ium-4-carboxamide