You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(4,5-dimethyl-1,3-benzothiazol-2-yl)-3,5-dimethoxy-N-(oxolan-2-ylmethyl)benzamide by IUPAC nomenclature, provide its molecular formula.
user
C23H26N2O4S
assistant