Task: Answer the MCQ question.
Question: Which drug exhibits a -15.745% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COC(=O)COn1c(SCC(=O)OC)nc2ccccc2c1=O
[b] O.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[Fe+4].[N-]=O.[Na+]
Answer: a. COC(=O)COn1c(SCC(=O)OC)nc2ccccc2c1=O
{#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#}
COC(=O)COn1c(SCC(=O)OC)nc2ccccc2c1=O
COC(=O)COn1c(SCC(=O)OC)nc2ccccc2c1=O
methyl2-[3-(2-methoxy-2-oxoethoxy)-4-oxoquinazolin-2-yl]sulfanylacetate