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 [(2R,3S,4R,5R,6R)-5-acetamido-4-acetyloxy-3-[(2S,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-(trideuteriomethoxy)oxan-2-yl]methyl acetate .
user
C27H39NO17
assistant