Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 8.451\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] NC(=O)NNC1=Nc2cccc3cccc1c23
[b] CCCN1CCc2[nH]c(=S)[nH]c(=O)c2C1
Answer: b. CCCN1CCc2[nH]c(=S)[nH]c(=O)c2C1
{#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#}
CCCN1CCc2[nH]c(=S)[nH]c(=O)c2C1
CCCN1CCc2[nH]c(=S)[nH]c(=O)c2C1
6-propyl-2-sulfanylidene-1,5,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-one