You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(5-methyl-6,7-dihydro-5H-cyclopenta[c]pyridin-3-yl)-6-[4-(4-methylpiperazin-1-yl)anilino]-2-prop-2-enylpyrazolo[3,4-d]pyrimidin-3-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H32N8O
assistant