Task: Answer the MCQ question.
Question: Which compound exhibits a 8.393\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CC(=O)Nc1cc2c(cc1C(C)=O)OCCO2
b. COC(=O)CSc1nnc(CNC(=O)c2ccco2)n1-c1ccc(F)cc1
Answer: a. CC(=O)Nc1cc2c(cc1C(C)=O)OCCO2
{#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#}
CC(=O)Nc1cc2c(cc1C(C)=O)OCCO2
CC(=O)Nc1cc2c(cc1C(C)=O)OCCO2
N-(7-acetyl-2,3-dihydro-1,4-benzodioxin-6-yl)acetamide