You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[(2R,6R)-2,6-dimethylpiperidin-1-yl]-2-oxoethyl] 2-[(3-methoxybenzoyl)amino]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H26N2O5
assistant