You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-(3,4-dihydro-2H-1,5-benzodioxepin-7-ylsulfonylamino)phenyl]-2-(2,4-dimethoxyphenyl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H26N2O7S
assistant