Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -1.298\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=C(CC1C(=O)CCCC1=O)c1ccccc1
b: CCOC(=O)C1CCCN(C(=O)Nc2ccccc2)C1
Answer: b. CCOC(=O)C1CCCN(C(=O)Nc2ccccc2)C1
{#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)C1CCCN(C(=O)Nc2ccccc2)C1
CCOC(=O)C1CCCN(C(=O)Nc2ccccc2)C1
ethyl 1-(phenylcarbamoyl)piperidine-3-carboxylate