You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[2-(difluoromethoxy)anilino]-2-oxoethyl] 3-(benzylsulfamoyl)-4-chlorobenzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H19ClF2N2O6S
assistant