Task: Answer the multiple choice question.
Question: Which drug has a -10.507% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCCCCn1c(Sc2ncccn2)nc2c1c(=O)[nH]c(=O)n2C
[b] Cc1cc(/C=N/n2cnnc2)c(O)c([N+](=O)[O-])c1
Answer: a. CCCCCn1c(Sc2ncccn2)nc2c1c(=O)[nH]c(=O)n2C
{#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#}
CCCCCn1c(Sc2ncccn2)nc2c1c(=O)[nH]c(=O)n2C
CCCCCn1c(Sc2ncccn2)nc2c1c(=O)[nH]c(=O)n2C
3-methyl-7-pentyl-8-pyrimidin-2-ylsulfanylpurine-2,6-dione