Task: Answer the MCQ question.
Query: Which drug exhibits a -20.927% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CC(=O)Nc1cc(-c2nn(C)c(=O)c3ccccc23)ccc1N1CCOCC1
(b) O=C(Nc1c2n(c(=S)n(-c3ccccc3)c1=O)CCCCC2)c1ccccc1
(c) CCc1ccc(CCC(=O)Nc2ccc(Br)cc2)o1
(d) COc1ccccc1NC(=O)CC1Nc2ccccc2NC1=O
Answer: b. O=C(Nc1c2n(c(=S)n(-c3ccccc3)c1=O)CCCCC2)c1ccccc1
{#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#}
O=C(Nc1c2n(c(=S)n(-c3ccccc3)c1=O)CCCCC2)c1ccccc1
O=C(Nc1c2n(c(=S)n(-c3ccccc3)c1=O)CCCCC2)c1ccccc1
N-(3-oxo-2-phenyl-1-sulfanylidene-6,7,8,9-tetrahydro-5H-pyrimido[1,6-a]azepin-4-yl)benzamide