Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 2.153\% 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 additional words.
Options:
a CC(C)CCN1CCN(Cc2cccs2)CC1CCO
b O=C(O)CCc1ccc(-c2cccs2)n1Cc1ccco1
Answer: a. CC(C)CCN1CCN(Cc2cccs2)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(Cc2cccs2)CC1CCO
CC(C)CCN1CCN(Cc2cccs2)CC1CCO
2-[1-(3-methylbutyl)-4-(thiophen-2-ylmethyl)piperazin-2-yl]ethanol