Task: Answer the MCQ question.
Question: Which drug exhibits a 67.669% 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: Cc1cc(C)n2[nH]c(=O)c(N=Nc3cccc(Cl)c3)c2n1
b: CCCc1c(O)nc(SCC(=O)O)[nH]c1=O
Answer: b. CCCc1c(O)nc(SCC(=O)O)[nH]c1=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#}
CCCc1c(O)nc(SCC(=O)O)[nH]c1=O
CCCc1c(O)nc(SCC(=O)O)[nH]c1=O
4-hydroxy-2-(2-hydroxy-2-oxoethyl)sulfanyl-5-propyl-1H-pyrimidin-6-one