Task: Answer the MCQ question.
Query: Which compound exhibits a -47.728% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: O=C(CN1CCN(c2ccccn2)CC1)Nc1nc2ccccc2s1
b: O=C(CSc1ccc2c(c1)OCCO2)Nc1ccc2c(c1)OCO2
Answer: a. O=C(CN1CCN(c2ccccn2)CC1)Nc1nc2ccccc2s1
{#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=C(CN1CCN(c2ccccn2)CC1)Nc1nc2ccccc2s1
O=C(CN1CCN(c2ccccn2)CC1)Nc1nc2ccccc2s1
N-(1,3-benzothiazol-2-yl)-2-(4-pyridin-2-ylpiperazin-1-yl)acetamide