You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-1-[[4-methyl-2-(oxolan-3-yloxy)phenyl]methyl]-3-[3-(2-methylpiperidin-1-yl)-3-oxopropyl]guanidine is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H36N4O3
assistant