You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-chloro-N-[(E)-N'-[1,3-diamino-3-(3,5-difluorophenyl)propyl]-N-pentan-3-ylcarbamimidoyl]-3-fluorobenzamide by IUPAC nomenclature, provide its molecular formula.
user
C22H27ClF3N5O
assistant