Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 16.243\% 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) CCOC(=O)CSc1nc(=O)n2cccc(C)c2n1
(b) NS(=O)(=O)OCC1CCCCC1
Answer: a. CCOC(=O)CSc1nc(=O)n2cccc(C)c2n1
{#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#}
CCOC(=O)CSc1nc(=O)n2cccc(C)c2n1
CCOC(=O)CSc1nc(=O)n2cccc(C)c2n1
2-(2-ethoxy-2-oxoethyl)sulfanyl-9-methylpyrido[1,2-a][1,3,5]triazin-4-one