Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 13.268\% 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)C1=C(C)NC(=O)NC1c1cccs1
(b) O=c1c(-c2ccccc2)c(O)cc(-c2ccncc2)n1-c1ccc(Cl)cc1
Answer: a. CCOC(=O)C1=C(C)NC(=O)NC1c1cccs1
{#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)C1=C(C)NC(=O)NC1c1cccs1
CCOC(=O)C1=C(C)NC(=O)NC1c1cccs1
5-ethoxycarbonyl-6-methyl-4-(thiophen-2-yl)-3,4-dihydro-1H-pyrimidin-2-one