You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is arrhythmia treatment.
user
O=C(NCc1cccc(OC(F)F)c1)C1c2ccccc2C(=O)N1CCc1ccccc1
assistant