Task: Answer the multiple choice question.
Query: Which compound exhibits a 6.800\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
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(S(=O)(=O)NCCC(C)C)c1
b) COCCNC(=O)Cc1nc2ccccc2[nH]1
c) CCOC(=O)c1c(S(=O)(=O)N2CCCC(C(=O)Nc3cccc(C)n3)C2)c(C)n(C)c1C
d) CCOCCn1c(CN2CCc3ccccc3C2)nc2c1c(=O)n(C)c(=O)n2C
Answer: d. CCOCCn1c(CN2CCc3ccccc3C2)nc2c1c(=O)n(C)c(=O)n2C
{#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#}
CCOCCn1c(CN2CCc3ccccc3C2)nc2c1c(=O)n(C)c(=O)n2C
CCOCCn1c(CN2CCc3ccccc3C2)nc2c1c(=O)n(C)c(=O)n2C
8-(3,4-dihydro-1H-isoquinolin-2-ylmethyl)-7-(2-ethoxyethyl)-1,3-dimethylpurine-2,6-dione