Task: Answer the MCQ question.
Query: Which compound exhibits a 8.269\% 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)N1CCN(CC(=O)c2ccc(O)cc2O)CC1
b) CN[C@H](CC(=O)O)C(=O)O
c) CCOC(=O)c1ccccc1NC(=O)CSc1nc2ccccc2c(=O)[nH]1
Answer: a. CCOC(=O)N1CCN(CC(=O)c2ccc(O)cc2O)CC1
{#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)N1CCN(CC(=O)c2ccc(O)cc2O)CC1
CCOC(=O)N1CCN(CC(=O)c2ccc(O)cc2O)CC1
ethyl 4-[2-(2,4-dihydroxyphenyl)-2-oxoethyl]piperazine-1-carboxylate