Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 9.980\% 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] COC(=O)CCN(C(=O)c1ccc(N2CCCC2)c([N+](=O)[O-])c1)c1ccccn1
[b] CCOC(=O)C1CCN(C(=O)CCCOc2ccccc2)CC1
Answer: b. CCOC(=O)C1CCN(C(=O)CCCOc2ccccc2)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)CCCOc2ccccc2)CC1
CCOC(=O)C1CCN(C(=O)CCCOc2ccccc2)CC1
ethyl 1-(4-phenoxybutanoyl)piperidine-4-carboxylate