You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2,5-dimethoxy-4-[[(E)-3-(5-methoxy-2,3-dihydro-1,4-benzodioxin-7-yl)prop-2-enoyl]amino]phenyl]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H26N2O7
assistant