You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[[2-(2-ethoxyethoxy)-4-methylphenyl]methyl]-3-ethyl-2-[[4-(2-methoxyethylamino)phenyl]methyl]guanidine;hydroiodide by IUPAC nomenclature, provide its molecular formula.
user
C25H39IN4O3
assistant