Problem statement: Answer the MCQ question.
Query: Which drug has a 20.923% 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. CC(Cc1ccccc1)NC(=S)CN1CCCC1=S
b. CN(C)S(=O)(=O)c1cccc(COc2cccnc2[N+](=O)[O-])c1
Answer: a. CC(Cc1ccccc1)NC(=S)CN1CCCC1=S
{#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#}
CC(Cc1ccccc1)NC(=S)CN1CCCC1=S
CC(Cc1ccccc1)NC(=S)CN1CCCC1=S
N-(1-phenylpropan-2-yl)-2-(2-sulfanylidenepyrrolidin-1-yl)ethanethioamide