You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (3aS,10bR)-9-chloro-2,6-dimethyl-1,3,3a,4,5,10b-hexahydropyrrolo[3,4-d][1]benzazepine into molecular formula.
user
C14H19ClN2
assistant