You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[[2-(difluoromethoxy)-3-ethoxyphenyl]methyl]-2-methyl-3-(methylamino)propanamide;hydrochloride by IUPAC nomenclature, provide its molecular formula.
user
C15H23ClF2N2O3
assistant