You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[3-[[3-[[2-(diethylaminomethyl)phenyl]methylcarbamoyl]phenyl]carbamoyl]phenyl]-N'-hydroxyoctanediamide by IUPAC nomenclature, provide its molecular formula.
user
C34H43N5O5
assistant