You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 4-hydroxy-2-oxo-3-[[4-(2-oxopyridin-1-yl)phenyl]carbamoyl]-1,4a,5,6,8,8a-hexahydro-1,7-naphthyridine-7-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H28N4O6
assistant