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: The molecule is anti arrhythmic.
user
NC(=O)c1cc2c(OCC(O)CN3CCN(C(c4ccccc4)c4ccc(OC(F)F)cc4)CC3)cccc2[nH]1
assistant