Task: Answer the MCQ question.
Query: Which drug exhibits a 25.667% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCOC(=O)C(=O)NNc1ccc(Cl)cc1
(b) COc1ccc(OC)c(NC(=O)Nc2ccccc2C)c1
Answer: a. CCOC(=O)C(=O)NNc1ccc(Cl)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOC(=O)C(=O)NNc1ccc(Cl)cc1
CCOC(=O)C(=O)NNc1ccc(Cl)cc1
ethyl2-[2-(4-chlorophenyl)hydrazinyl]-2-oxoacetate