You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named [(2R,3R,4S,5R,6R)-4,5-diacetyloxy-6-[(1R,2S,5'R,6R,7S,9S,12S,13S,16S)-5',7,9,13-tetramethyl-10-oxospiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icosane-6,2'-oxane]-16-yl]oxy-3-[(2S,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxan-2-yl]methyl acetate is given. What is its corresponding molecular formula?
user
C53H76O21
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