You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[1-(3,4-diethoxyphenyl)ethyl]-3-[[4-[(dimethylamino)methyl]phenyl]methyl]-2-methylguanidine by IUPAC nomenclature, provide its molecular formula.
user
C24H36N4O2
assistant