Task: Answer the multiple-choice question.
Question: Which compound exhibits a 5.871\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) C#CC(CC)(CC)NC(=O)c1ccc(Br)s1
(b) COc1ccc(C2c3sc(=O)[nH]c3SC3C4CCC(C4)C23)cc1
Answer: a. C#CC(CC)(CC)NC(=O)c1ccc(Br)s1
{#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#}
C#CC(CC)(CC)NC(=O)c1ccc(Br)s1
C#CC(CC)(CC)NC(=O)c1ccc(Br)s1
5-bromo-N-(3-ethylpent-1-yn-3-yl)thiophene-2-carboxamide