Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 12.988\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CC[C@H]1CC2CN3CCc4c([nH]c5ccccc45)C(C(=O)OC)(C2)C13.Cl
b. CCOC(=O)C1CCN(C(=O)c2cccs2)CC1
Answer: b. CCOC(=O)C1CCN(C(=O)c2cccs2)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)C1CCN(C(=O)c2cccs2)CC1
CCOC(=O)C1CCN(C(=O)c2cccs2)CC1
ethyl1-(thiophene-2-carbonyl)piperidine-4-carboxylate