You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the anti arrhythmic class of molecules.
user
CCN1C(=O)C(C)(C)C(=O)N(C)c2cc(OCCCN(CCn3ccc4sccc4c3=O)Cc3ccncc3)ccc21
assistant