You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl (E)-6-[4-[5-(4,4-dimethylpentanoyloxy)-2-methylpentanoyl]oxy-6-methoxy-7-methyl-3-oxo-1H-2-benzofuran-5-yl]-4-methylhex-4-enoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H44O9
assistant