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 [(2S,3S,4S,5R,6S)-5-acetamido-4,6-diacetyloxy-3-[(2R,3R,4R,5S,6S)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxan-2-yl]methyl acetate .
user
C28H39NO18
assistant