Problem statement: Answer the MCQ question.
Query: Which drug has a -0.831\% 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 other words.
Options:
a: CCOC(=O)C1CCN(C/C=C/c2ccccc2OC)CC1
b: O=C(NC12CC3CC(CC(C3)C1)C2)c1ccc([N+](=O)[O-])o1
Answer: a. CCOC(=O)C1CCN(C/C=C/c2ccccc2OC)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/C=C/c2ccccc2OC)CC1
CCOC(=O)C1CCN(C/C=C/c2ccccc2OC)CC1
ethyl 1-[(E)-3-(2-methoxyphenyl)prop-2-enyl]piperidine-4-carboxylate