Task: Answer the MCQ question.
Query: Which compound exhibits a -8.199\% 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 additional words.
Options:
(a) CCOC(=O)CN1C(=O)C2Cc3ccccc3CN2C1=S
(b) Nc1cc(N)nc(SCCc2ccccc2)n1
Answer: a. CCOC(=O)CN1C(=O)C2Cc3ccccc3CN2C1=S
{#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)CN1C(=O)C2Cc3ccccc3CN2C1=S
CCOC(=O)CN1C(=O)C2Cc3ccccc3CN2C1=S
ethyl 2-(1-oxo-3-sulfanylidene-10,10a-dihydro-5H-imidazo[1,5-b]isoquinolin-2-yl)acetate