You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-[2-(difluoromethoxy)-4-fluorophenyl]-4-methoxy-3-(4-methylpiperazin-1-yl)benzenesulfonamide;hydrochloride ?
user
C19H23ClF3N3O4S
assistant