Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 20.333\% 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) CCOC(=O)c1c(C)[nH]c(=S)c(C#N)c1-c1ccc(Cl)cc1
b) O=C(C1Cc2ccccc2CN1S(=O)(=O)c1cccs1)N1CCCCCC1
Answer: a. CCOC(=O)c1c(C)[nH]c(=S)c(C#N)c1-c1ccc(Cl)cc1
{#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)c1c(C)[nH]c(=S)c(C#N)c1-c1ccc(Cl)cc1
CCOC(=O)c1c(C)[nH]c(=S)c(C#N)c1-c1ccc(Cl)cc1
ethyl 4-(4-chlorophenyl)-5-cyano-2-methyl-6-sulfanylidene-1H-pyridine-3-carboxylate