You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 8-[3-[4-(3-chlorophenyl)piperazin-1-yl]propylamino]-1,3-dimethylpurino[7,8-a]pyrimidine-2,4-dione using the IUPAC nomenclature.
user
C23H27ClN8O2
assistant