Task: Answer the multiple choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES O=[N+]([O-])c1ccc(-[n+]2ccc3ccccc3c2)c([N+](=O)[O-])c1.[Cl-]?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a 3.648
b 8.625
Answer: a. 3.648\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
O=[N+]([O-])c1ccc(-[n+]2ccc3ccccc3c2)c([N+](=O)[O-])c1.[Cl-]
O=[N+]([O-])c1ccc(-[n+]2ccc3ccccc3c2)c([N+](=O)[O-])c1.[Cl-]
2-(2,4-dinitrophenyl)isoquinolin-2-ium;chloride