You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-[2-butoxyethyl-[2-[2-[2-(2-prop-2-ynoxyethoxy)ethoxy]ethoxy]ethyl]amino]ethoxy]-N-methylethanamine;dichloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H44Cl2N2O6-2
assistant