You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-[cyclohepta-1,3,4,6-tetraen-1-yl-(2-hydroxy-4-oxo-2,3-dihydrochromen-3-yl)methyl]-2-hydroxy-2,3-dihydrochromen-4-one .
user
C26H20O6
assistant