You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl (4S,5R,6R)-5-acetamido-2,4-diacetyloxy-6-[(1R,2R)-1,2,3-triacetyloxypropyl]oxane-2-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H31NO14
assistant