You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: It belongs to the anti arrhythmic class of molecules.
user
CC(=O)Nc1ccc2c(c1)CC(CN1CCC(=C3c4ccccc4C=Cc4ccccc43)CC1)C2
assistant