You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a arrhythmia treatment.
user
Cc1ccc(OCCCO[N+](=O)[O-])cc1NC(=O)C(C)N
assistant