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 anti arrhythmic.
user
Cc1cccc(CCC2CC(C(=O)c3ccc(NS(C)(=O)=O)cc3)CCN2)n1
assistant