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 6-(furan-3-yl)-17-hydroxy-1,7,11,15,15-pentamethyl-3-oxapentacyclo[8.8.0.02,4.02,7.011,16]octadeca-12,16-diene-14,18-dione;5-hydroxy-2,8-dimethyl-6,7,8,9-tetrahydropyrano[3,2-h][1]benzoxepin-4-one .
user
C41H46O9
assistant