You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 4-N-[5-chloro-2-(4-methylpiperazin-1-yl)phenyl]-1-N,1-N-diethylpiperidine-1,4-dicarboxamide is given. What is its corresponding molecular formula?
user
C22H34ClN5O2
assistant