Problem statement: Answer the MCQ question.
Question: Which drug has a -9.947% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCOC(=O)c1cnc2sc3c(n2c1=O)CCCC3
b. CC(C)CC1NC(=O)N(CC(=O)c2ccc3c(c2)OCCO3)C1=O
Answer: a. CCOC(=O)c1cnc2sc3c(n2c1=O)CCCC3
{#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)c1cnc2sc3c(n2c1=O)CCCC3
CCOC(=O)c1cnc2sc3c(n2c1=O)CCCC3
ethyl 4-oxo-6,7,8,9-tetrahydropyrimido[2,1-b][1,3]benzothiazole-3-carboxylate