You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4aS,8aR)-6-[4-(aminomethyl)benzoyl]-1-(3-aminopropyl)-4,4a,5,7,8,8a-hexahydro-3H-1,6-naphthyridin-2-one;dihydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H30Cl2N4O2
assistant