You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[4-[(5-oxo-2,3,4,4a,6,6a,7,8,9,10,10a,10b-dodecahydro-1H-benzo[h][1,6]naphthyridin-8-yl)methyl]piperazin-1-yl]pyridine-2-carbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H32N6O
assistant