You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(3-ethyl-2-morpholin-4-ylpentyl)-2-methyl-3-[2-methyl-3-(4-methylpiperazin-1-yl)propyl]guanidine is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H46N6O
assistant