You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5,5-diethyl-1-[4-(4-phenylpiperazin-1-yl)butyl]-1,3-diazinane-2,4,6-trione;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H33ClN4O3
assistant