You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[(4-chlorophenyl)methyl]-6-[3-(dimethylamino)propyl]-4,7,8-trimethyl-4a,9a-dihydropurino[7,8-a]imidazole-1,3-dione .
user
C22H29ClN6O2
assistant