You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-chloro-3-[2-[(3,4-difluorophenyl)methylamino]-9-[[(3R)-piperidin-3-yl]methyl]purin-8-yl]phenol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H23ClF2N6O
assistant