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 (10S)-2-(3,4-dihydroxyphenyl)-10-(2,5-dimethoxyphenyl)-3,5-dihydroxy-9,10-dihydropyrano[2,3-h]chromene-4,8-dione using the IUPAC nomenclature.
user
C26H20O10
assistant