You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-(dimethylamino)propyl]-4-ethylsulfonyl-N-(6-methyl-1,3-benzothiazol-2-yl)benzamide;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H28ClN3O3S2
assistant