Task: Answer the multiple choice question.
Query: Which compound exhibits a 4.253% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COc1ccc(S(=O)(=O)n2oc(=O)cc2-c2ccccc2)cc1
b. CC(C#N)Sc1nc2ccccc2c(=O)n1-c1ccccc1
Answer: b. CC(C#N)Sc1nc2ccccc2c(=O)n1-c1ccccc1
{#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#}
CC(C#N)Sc1nc2ccccc2c(=O)n1-c1ccccc1
CC(C#N)Sc1nc2ccccc2c(=O)n1-c1ccccc1
2-(4-oxo-3-phenylquinazolin-2-yl)sulfanylpropanenitrile