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 2-(2-chlorophenyl)-5-[(4,5-dimethoxy-2-propan-2-ylphenyl)methyl]-1H-pyrimidine-2,4-diamine .
user
C22H27ClN4O2
assistant