Task: Answer the MCQ question.
Question: Which compound has a 5.366\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1ccccc1NC(=O)CN1C(=O)NC(CC(C)C)C1=O
b: O=C(Nc1ccc2ccccc2c1)c1cccnc1
Answer: a. COc1ccccc1NC(=O)CN1C(=O)NC(CC(C)C)C1=O
{#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#}
COc1ccccc1NC(=O)CN1C(=O)NC(CC(C)C)C1=O
COc1ccccc1NC(=O)CN1C(=O)NC(CC(C)C)C1=O
N-(2-methoxyphenyl)-2-[4-(2-methylpropyl)-2,5-dioxoimidazolidin-1-yl]acetamide