Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 14.339\% 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 other words.
Options:
a. CCC1CCCCN1C(=O)CSc1nnc(-c2ccc3c(c2)OCCO3)o1
b. CCOCCc1c(O)[nH]c(=S)[nH]c1=O
Answer: b. CCOCCc1c(O)[nH]c(=S)[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_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#}
CCOCCc1c(O)[nH]c(=S)[nH]c1=O
CCOCCc1c(O)[nH]c(=S)[nH]c1=O
5-(2-ethoxyethyl)-6-hydroxy-2-sulfanylidene-1H-pyrimidin-4-one