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 5-[[3-[3-(dimethylamino)prop-1-ynyl]phenyl]methyl]-6-methyl-2-N-pentylpyrimidine-2,4-diamine .
user
C22H31N5
assistant