Task: Answer the MCQ question.
Question: Which compound has a 21.859% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: CC(CCN1CCOCC1)c1ccccc1
b: Cc1ccc(C(=O)Cn2ncsc2=N)cc1
c: CC(=O)c1c(N2CCOCC2)nc(=S)n(-c2cc(C)ccc2C)c1C
Answer: a. CC(CCN1CCOCC1)c1ccccc1
{#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#}
CC(CCN1CCOCC1)c1ccccc1
CC(CCN1CCOCC1)c1ccccc1
4-(3-phenylbutyl)morpholine