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 (4S)-1-cycloheptyl-4-(4-hydroxy-3-methoxyphenyl)-2,4,5,7-tetrahydropyrazolo[3,4-b]pyridine-3,6-dione .
user
C20H25N3O4
assistant