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: It belongs to the anti arrhythmic class of molecules.
user
C=C(C)n1c(=O)n(CCN(C)Cc2ccccc2)c2ccccc21
assistant