Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -36.573\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CC(C)CCN1CCN(Cc2cccn2-c2ccccn2)CC1CCO
b: COc1ccc(CCNC(=O)c2c(O)c3cccc4c3n(c2=O)CC4)cc1OC
c: CC1CCN(CC(=O)c2cccs2)CC1
d: O=Cc1c(-c2ccccc2)nc2ccccn12
Answer: a. CC(C)CCN1CCN(Cc2cccn2-c2ccccn2)CC1CCO
{#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(C)CCN1CCN(Cc2cccn2-c2ccccn2)CC1CCO
CC(C)CCN1CCN(Cc2cccn2-c2ccccn2)CC1CCO
2-[1-(3-methylbutyl)-4-[(1-pyridin-2-ylpyrrol-2-yl)methyl]piperazin-2-yl]ethanol