You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2,9,11-triacetyloxy-4,5-dihydroxy-4,8,12,17-tetramethyl-16-oxo-15,18-dioxatetracyclo[12.4.0.01,17.03,8]octadeca-6,12-dien-10-yl) acetate into its molecular formula.
user
C28H36O13
assistant