Task: Answer the MCQ question.
Question: Which compound exhibits a 9.773\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: COC(OC)c1ccc(C#N)c(=O)[nH]1
b: CCN(CC)CCCNC(=O)C(C)n1c2ccccc2c2nc(=O)cc(C)n21
c: NNC(=O)c1ccc(COc2cccc3ccccc23)cc1
d: O=C(Nc1ccc2c(c1)CCC2)c1cnc(Cl)c(Cl)c1
e: CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccc(OC)c(Br)c1)n2CC(C)C
Answer: a. COC(OC)c1ccc(C#N)c(=O)[nH]1
{#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#}
COC(OC)c1ccc(C#N)c(=O)[nH]1
COC(OC)c1ccc(C#N)c(=O)[nH]1
6-(dimethoxymethyl)-2-oxo-1H-pyridine-3-carbonitrile