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 methyl (2S,3S,4S,5R,6S)-3,4,5-triacetyloxy-6-[2-[3-[[(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-6-[[(4-methoxyphenyl)-diphenylmethyl]amino]hexanoyl]amino]propanoylamino]-4-(hydroxymethyl)phenoxy]oxane-2-carboxylate is given. What is its corresponding molecular formula?
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C64H68N4O16
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