Task: Answer the multiple-choice question.
Question: Which drug exhibits a 22.422% 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 or b without using any additional words.
Options:
a. Nc1nc(SCC(=O)c2ccc(Br)s2)n[nH]1
b. CCn1c(CNC(=O)c2ccc(OC)c(OC)c2)nnc1SCC(=O)c1ccc(OC)cc1
Answer: a. Nc1nc(SCC(=O)c2ccc(Br)s2)n[nH]1
{#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#}
Nc1nc(SCC(=O)c2ccc(Br)s2)n[nH]1
Nc1nc(SCC(=O)c2ccc(Br)s2)n[nH]1
2-[(5-amino-1H-1,2,4-triazol-3-yl)sulfanyl]-1-(5-bromothiophen-2-yl)ethanone