Problem statement: Answer the MCQ question.
Query: Which compound has a 2.497\% 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. CN(c1ccccc1)S(=O)(=O)c1cccc(NC(=O)c2ccc(=O)[nH]c2)c1
b. CCCCn1c(=O)c(C(=O)OCC)c(O)c2ccccc21
Answer: b. CCCCn1c(=O)c(C(=O)OCC)c(O)c2ccccc21
{#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#}
CCCCn1c(=O)c(C(=O)OCC)c(O)c2ccccc21
CCCCn1c(=O)c(C(=O)OCC)c(O)c2ccccc21
1-butyl-3-ethoxycarbonyl-4-hydroxyquinolin-2-one