You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[1-[[ethylamino-[4-[2-oxo-2-(propan-2-ylamino)ethyl]piperazin-1-yl]methylidene]amino]pentan-2-yl]carbamate;hydroiodide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H45IN6O3
assistant