You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(dimethylamino)ethyl]-N-(4,5-dimethyl-1,3-benzothiazol-2-yl)-2-(2,5-dioxopyrrolidin-1-yl)acetamide;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H25ClN4O3S
assistant