Task: Answer the multiple-choice question.
Query: Which compound exhibits a 16.238\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) O=C(NCc1ccon1)c1ccc(OC2CCN(CCc3ccccc3)CC2)cc1
b.) CC(=O)Nc1ccc2c(c1)nc1n2CCN(C(C)c2ccccc2)C1
Answer: b. CC(=O)Nc1ccc2c(c1)nc1n2CCN(C(C)c2ccccc2)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#}
CC(=O)Nc1ccc2c(c1)nc1n2CCN(C(C)c2ccccc2)C1
CC(=O)Nc1ccc2c(c1)nc1n2CCN(C(C)c2ccccc2)C1
N-[2-(1-phenylethyl)-3,4-dihydro-1H-pyrazino[1,2-a]benzimidazol-8-yl]acetamide