You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 4-[[2,4-dichloro-5-[2-chloro-9-(oxan-2-yl)purin-6-yl]phenoxy]methyl]benzaldehyde .
user
C24H19Cl3N4O3
assistant