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 1-[6-[(6-ethyl-4-hydroxy-2-methoxy-5-methyl-2H-pyran-3-yl)methyl]-5,7-dihydroxy-2,2-dimethylchromen-8-yl]-2-methylbutan-1-one .
user
C26H34O7
assistant