You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(2,6-difluorophenyl)-6-[(2,4-dimethoxyphenyl)methyl]-4-[[5-(3-hydroxyazetidin-1-yl)pyridin-2-yl]methyl]-7H-pyrrolo[3,4-b]pyridin-5-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H28F2N4O4
assistant