You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 10-[(Z)-(3,4-dimethoxy-5-oxofuran-2-ylidene)methyl]-2,3,4,5,7,8,9,10-octahydropyrano[3,2-b]quinolin-6-one using the IUPAC nomenclature.
user
C19H21NO6
assistant