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 1-cyclopentyl-5-methyl-2-[(5-piperazin-1-ylpyridin-2-yl)amino]-2,8-dihydropyrido[2,3-d]pyrimidin-7-one .
user
C22H29N7O
assistant