You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(4,7-dimethoxy-1,3-benzothiazol-2-yl)-3,4,5-trimethoxy-N-(pyridin-2-ylmethyl)benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H25N3O6S
assistant