Problem statement: Answer the multiple-choice question.
Query: What is the hERG inhibition at 1uM of a compound with the SMILES CC(=O)Nc1cc[n+](CC(=O)c2cccc([N+](=O)[O-])c2)cc1.[Cl-]?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a 4.123
b 10.015
c 5.596
d 12.144
Answer: a. 4.123\%.
{#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}.
CC(=O)Nc1cc[n+](CC(=O)c2cccc([N+](=O)[O-])c2)cc1.[Cl-]
CC(=O)Nc1cc[n+](CC(=O)c2cccc([N+](=O)[O-])c2)cc1.[Cl-]
N-[1-[2-(3-nitrophenyl)-2-oxoethyl]pyridin-1-ium-4-yl]acetamide;chloride