Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 14.287\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a O=[N+]([O-])c1ccccc1-n1cnc2ccccc21
b CC1CC1C(=O)OCC(=O)Nc1cccc([N+](=O)[O-])c1
Answer: a. O=[N+]([O-])c1ccccc1-n1cnc2ccccc21
{#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#}
O=[N+]([O-])c1ccccc1-n1cnc2ccccc21
O=[N+]([O-])c1ccccc1-n1cnc2ccccc21
[2-(benzimidazol-1-yl)phenyl]-oxido-oxoazanium