You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [(2R)-2-benzoyloxy-2-[(2S,3R,4R,5R)-3-benzoyloxy-5-methoxy-4-methylsulfonyloxyoxolan-2-yl]ethyl] benzoate ?
user
C29H28O11S
assistant