You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[5-(diethylamino)-2-[[ethylcarbamoyl(2-methylpropyl)amino]methyl]phenyl] 3,4-dichlorobenzenesulfonate is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H33Cl2N3O4S
assistant