You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-ethyl-3-[(4-methylmorpholin-2-yl)methyl]-2-[[4-methyl-2-(oxolan-3-ylmethoxy)phenyl]methyl]guanidine;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H37IN4O3
assistant