Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 19.969% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) NC(=O)COC(=O)CCCSc1nc2ccccc2s1
(b) COc1cccc(/C(C#N)=C/c2c(-c3ccc(Cl)cc3)nc3c(C)cccn23)c1
Answer: a. NC(=O)COC(=O)CCCSc1nc2ccccc2s1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
NC(=O)COC(=O)CCCSc1nc2ccccc2s1
NC(=O)COC(=O)CCCSc1nc2ccccc2s1
(2-amino-2-oxoethyl) 4-(1,3-benzothiazol-2-ylsulfanyl)butanoate