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 [(1S,2S,4S)-2-bicyclo[2.2.1]heptanyl] 4-oxo-3-propan-2-ylphthalazine-1-carboxylate .
user
C19H22N2O3
assistant