Task: Answer the multiple-choice question.
Query: Which compound has a 2.021% 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. O=[N+]([O-])c1ccccc1N(CC1CO1)S(=O)(=O)c1ccccc1
b. COc1cc(-c2c(C#N)c(N)nc3c2CCCC3)ccc1O
Answer: a. O=[N+]([O-])c1ccccc1N(CC1CO1)S(=O)(=O)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#}
O=[N+]([O-])c1ccccc1N(CC1CO1)S(=O)(=O)c1ccccc1
O=[N+]([O-])c1ccccc1N(CC1CO1)S(=O)(=O)c1ccccc1
[2-[benzenesulfonyl(oxiran-2-ylmethyl)amino]phenyl]-oxido-oxoazanium