Task: Answer the MCQ question.
Question: Which compound exhibits a 16.494\% 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: COc1ccccc1NC(=O)c1ccc2[nH]c(C)c(C)c2c1
b: CCOP(=O)(Cc1ccc(C#N)o1)OCC
Answer: b. CCOP(=O)(Cc1ccc(C#N)o1)OCC
{#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#}
CCOP(=O)(Cc1ccc(C#N)o1)OCC
CCOP(=O)(Cc1ccc(C#N)o1)OCC
5-(diethoxyphosphorylmethyl)furan-2-carbonitrile