You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N,N-diethyl-4-[[[ethylamino-[3-(oxolan-3-yloxy)propylamino]methylidene]amino]methyl]benzamide;hydroiodide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H37IN4O3
assistant