Task: Answer the MCQ question.
Question: Which drug has a 15.821\% 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, b, or c without using any other words.
Options:
a: c1csc(-c2nc3ccccc3[nH]2)c1
b: O=C(CN1C(=O)NC2(CCCC2)C1=O)OCc1cccc(Br)c1
c: CCOC(=O)c1sc(=S)n(-c2ccccc2)c1C
Answer: a. c1csc(-c2nc3ccccc3[nH]2)c1
{#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#}
c1csc(-c2nc3ccccc3[nH]2)c1
c1csc(-c2nc3ccccc3[nH]2)c1
2-thiophen-2-yl-1H-benzimidazole