Task: Answer the MCQ question.
Query: Which drug exhibits a 5.138% 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 COc1ccc(OC)c(NC(=O)CNC(=O)Cn2cnc3sc(C)cc3c2=O)c1
b O=C(NCc1ccco1)C1CCN(C(=O)c2ccc([N+](=O)[O-])cc2)CC1
c Cn1c(=O)c2c(nc(CN3CCN(CCO)CC3)n2Cc2cccc3ccccc23)n(C)c1=O
d CCOc1ccc2ccccc2c1/C=N/NC(=O)c1c(C)cc(C)[nH]c1=O
Answer: a. COc1ccc(OC)c(NC(=O)CNC(=O)Cn2cnc3sc(C)cc3c2=O)c1
{#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#}
COc1ccc(OC)c(NC(=O)CNC(=O)Cn2cnc3sc(C)cc3c2=O)c1
COc1ccc(OC)c(NC(=O)CNC(=O)Cn2cnc3sc(C)cc3c2=O)c1
N-(2,5-dimethoxyphenyl)-2-[[2-(6-methyl-4-oxothieno[2,3-d]pyrimidin-3-yl)acetyl]amino]acetamide