You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-(1,3-benzothiazol-2-yl)-6-ethyl-5,7-dihydro-4H-thieno[2,3-c]pyridin-2-yl]-3,5-dimethoxybenzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H25N3O3S2
assistant