You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[1-[1-(2-methoxyacetyl)piperidin-4-yl]-2-(3-methoxypropylamino)-2-oxoethyl]-4-methylbenzamide into molecular formula.
user
C22H33N3O5
assistant