You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 8-(3-aminopiperidin-1-yl)-7-[(2-chlorophenyl)methyl]-2-[3-(difluoromethoxy)phenoxy]-1-methylpurin-6-one ?
user
C25H25ClF2N6O3
assistant