You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N-[4-[4-[3-(6-chloropyridin-3-yl)propanoyl]piperazin-1-yl]-2-fluorophenyl]-N-methylpropanamide using the IUPAC nomenclature.
user
C22H26ClFN4O2
assistant