Task: Answer the multiple choice question.
Query: Which compound exhibits a 19.720% 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 additional words.
Options:
a: CCOC(=O)CC(=O)CSc1nc(C)nc2c1oc1ccccc12
b: COc1ccc(CCNC(=O)c2ccc(CS(=O)(=O)c3ccc(Cl)cc3)o2)cc1OC
Answer: a. CCOC(=O)CC(=O)CSc1nc(C)nc2c1oc1ccccc12
{#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)CC(=O)CSc1nc(C)nc2c1oc1ccccc12
CCOC(=O)CC(=O)CSc1nc(C)nc2c1oc1ccccc12
ethyl 4-[(2-methyl-[1]benzofuro[3,2-d]pyrimidin-4-yl)sulfanyl]-3-oxobutanoate