You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (3R,4S,6R)-6-[(3R,4R,6S)-5-azido-6-[(3R,4S,6R)-6-[(3R,4R,6R)-5-azido-2-(hydroxymethyl)-6-methoxy-4-phenylmethoxyoxan-3-yl]oxy-5-hydroxy-2-methoxycarbonyl-4-phenylmethoxyoxan-3-yl]oxy-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3-[(2S,4R,5R)-3-azido-6-(hydroxymethyl)-4,5-bis(phenylmethoxy)oxan-2-yl]oxy-4,5-bis(phenylmethoxy)oxane-2-carboxylic acid is given. What is its corresponding molecular formula?
user
C74H85N9O25
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