Task: Answer the MCQ question.
Query: Which compound exhibits a -2.528% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1ccc(C2C(C(C)=O)=C(C)Nc3ncnn32)cc1OC
b. COc1ccc2c(c1OC)C(=O)OC2C1c2c(cc3c(c2OC)OCO3)CCN1C.Cl
Answer: a. COc1ccc(C2C(C(C)=O)=C(C)Nc3ncnn32)cc1OC
{#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(C2C(C(C)=O)=C(C)Nc3ncnn32)cc1OC
COc1ccc(C2C(C(C)=O)=C(C)Nc3ncnn32)cc1OC
1-[7-(3,4-dimethoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl]ethanone