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 7-(3,4-dimethoxyphenyl)-9-oxo-6,7,8,10-tetrahydro-5H-[1,3]dioxolo[4,5-b]acridine-10-carboxylic acid .
user
C23H21NO7
assistant