Task: Answer the MCQ question.
Query: Which compound exhibits a 10.877\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: CCOC(=O)C(=O)Nc1ccccc1C#N
b: Oc1c(C(c2cccs2)N2CCOCC2)sc2ncnn12
c: NC(=O)C1CCN(C(=O)c2ccc3nc(-c4ccccc4)c(-c4ccccc4)nc3c2)CC1
Answer: a. CCOC(=O)C(=O)Nc1ccccc1C#N
{#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#}
CCOC(=O)C(=O)Nc1ccccc1C#N
CCOC(=O)C(=O)Nc1ccccc1C#N
ethyl 2-(2-cyanoanilino)-2-oxoacetate