You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 5-acetamido-4-hydroxy-2-[6-(phenylmethoxycarbonylamino)hexanoylamino]-6-[(1S)-1,2,3-trihydroxypropyl]oxane-2-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
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