You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[3-(2-aminopyridin-4-yl)pyridin-2-yl]oxy-N-[3-(1,1-difluoroprop-2-enoxy)phenyl]-2-fluorobenzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H19F3N4O3
assistant