You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-[3-[(3,5-difluorophenyl)methyl]-2-oxo-1,3-diazinan-1-yl]phenyl]-2-methoxybenzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H23F2N3O3
assistant