You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[[N-[2-(diethylamino)-2-phenylethyl]-N'-methylcarbamimidoyl]amino]methyl]furan-2-carboxamide;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H30IN5O2
assistant