Problem statement: Answer the MCQ question.
Query: Which compound has a 3.669\% 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) CCOC(=O)C(Sc1nn(C)c(=S)s1)C(C)=O
b) CC(C)(O)C#Cc1ccc(CN2CCN(Cc3ccsc3)C(CCO)C2)s1
c) S=c1nc[nH]c2c1cnn2Cc1ccccc1
Answer: a. CCOC(=O)C(Sc1nn(C)c(=S)s1)C(C)=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#}
CCOC(=O)C(Sc1nn(C)c(=S)s1)C(C)=O
CCOC(=O)C(Sc1nn(C)c(=S)s1)C(C)=O
ethyl 2-[(4-methyl-5-sulfanylidene-1,3,4-thiadiazol-2-yl)sulfanyl]-3-oxobutanoate