Problem statement: Answer the MCQ question.
Question: Which compound exhibits a -20.721\% 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 other words.
Options:
a. CC(=O)OCC(=O)NCc1ccc2c(c1)OCO2
b. O=c1[nH]c(NC2CCCCC2)c([N+](=O)[O-])c(=O)[nH]1
Answer: a. CC(=O)OCC(=O)NCc1ccc2c(c1)OCO2
{#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#}
CC(=O)OCC(=O)NCc1ccc2c(c1)OCO2
CC(=O)OCC(=O)NCc1ccc2c(c1)OCO2
[2-(1,3-benzodioxol-5-ylmethylamino)-2-oxoethyl] acetate