Task: Answer the MCQ question.
Query: Which drug exhibits a 16.881\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) CCOC(=O)c1sc(NC(=O)CSc2nnc(Cc3ccccc3)o2)c(C(=O)OCC)c1C
(b) COc1ccc(C(CC(=O)c2ccccc2)S(=O)(=O)c2ccccc2)cc1
(c) CCOC(=O)C(CC)(CCC(=O)Nc1nncs1)C(=O)OCC
Answer: a. CCOC(=O)c1sc(NC(=O)CSc2nnc(Cc3ccccc3)o2)c(C(=O)OCC)c1C
{#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#}
diethyl 5-[[2-[(5-benzyl-1,3,4-oxadiazol-2-yl)sulfanyl]acetyl]amino]-3-methylthiophene-2,4-dicarboxylate