Task: Answer the multiple-choice question.
Question: Which compound has a 12.694\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. COc1ccc2[nH]c3c(=S)nc[nH]c3c2c1
b. Cc1ccc(CNC(=O)CCc2nc(-c3cccs3)no2)cc1
c. COc1ccc(Cn2c(-c3ccco3)nc3oc4ccccc4c(=O)c3c2=O)cc1
Answer: a. COc1ccc2[nH]c3c(=S)nc[nH]c3c2c1
{#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#}
COc1ccc2[nH]c3c(=S)nc[nH]c3c2c1
COc1ccc2[nH]c3c(=S)nc[nH]c3c2c1
8-methoxy-1,5-dihydropyrimido[5,4-b]indole-4-thione