You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-[2-[2-hydroxy-5-oxo-3-[(E)-pent-1-enyl]-2H-furan-4-yl]acetyl]oxyheptyl 2-[2-hydroxy-5-oxo-3-[(E)-pent-1-enyl]-2H-furan-4-yl]acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H40O10
assistant