Task: Answer the MCQ question.
Question: Which drug has a -38.444% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C1CCCN1C(=O)c1cncc(Br)c1
(b) O=c1c2ccccc2c2ccccc2c(=O)n1CC1CCCO1
Answer: a. O=C1CCCN1C(=O)c1cncc(Br)c1
{#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=C1CCCN1C(=O)c1cncc(Br)c1
O=C1CCCN1C(=O)c1cncc(Br)c1
1-(5-bromopyridine-3-carbonyl)pyrrolidin-2-one