You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (9,11-diacetyloxy-13-hydroxy-3,8,12,12,15-pentamethyl-16-oxo-7,17-dioxatetracyclo[12.2.1.01,5.06,8]heptadecan-4-yl) benzoate .
user
C31H40O10
assistant