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 [(1R,2R,3R,4S,5R,7R,9S,12S,15R,16S)-2,15-diacetyloxy-1-(acetyloxymethyl)-7-hydroxy-5,9,11,11-tetramethyl-8-oxo-10-oxatetracyclo[7.6.1.03,7.012,16]hexadec-13-en-4-yl] benzoate .
user
C33H40O11
assistant