Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a -3.378% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: NC(=S)Nc1nccc(-c2cccs2)n1
b: Cc1ccc(OCC(=O)NC2CC(C)(C)NC(C)(C)C2)c(C)c1
Answer: a. NC(=S)Nc1nccc(-c2cccs2)n1
{#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#}
NC(=S)Nc1nccc(-c2cccs2)n1
NC(=S)Nc1nccc(-c2cccs2)n1
(4-thiophen-2-ylpyrimidin-2-yl)thiourea