You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(4-methoxyphenyl)-N-methyl-7-oxo-6-[4-(2-oxopiperidin-1-yl)phenyl]-4,5-dihydropyrazolo[3,4-c]pyridine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H27N5O4
assistant