You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [7-hydroxy-1-[5-[5-[1-hydroxy-13-(2-methyl-5-oxo-2H-furan-4-yl)tridecyl]oxolan-2-yl]oxolan-2-yl]undecyl] acetate ?
user
C39H68O8
assistant