Task: Answer the MCQ question.
Question: Which compound exhibits a 6.660\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) COCCn1c(=O)c2c(nc3n2CCCN3CCc2ccc(OC)c(OC)c2)n(C)c1=O
b.) NCCc1cnc[nH]1
Answer: a. COCCn1c(=O)c2c(nc3n2CCCN3CCc2ccc(OC)c(OC)c2)n(C)c1=O
{#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#}
COCCn1c(=O)c2c(nc3n2CCCN3CCc2ccc(OC)c(OC)c2)n(C)c1=O
COCCn1c(=O)c2c(nc3n2CCCN3CCc2ccc(OC)c(OC)c2)n(C)c1=O
9-[2-(3,4-dimethoxyphenyl)ethyl]-3-(2-methoxyethyl)-1-methyl-7,8-dihydro-6H-purino[7,8-a]pyrimidine-2,4-dione