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 8-(3,4-dimethoxyphenyl)-5,7-bis(phenylmethoxy)-2-(3,4,5-trimethoxyphenyl)chromen-4-one using the IUPAC nomenclature.
user
C40H36O9
assistant