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system
For the molecule named [5-acetamido-6-[5-acetamido-6-[5-acetamido-6-[(E)-5-acetamido-6-[(Z)-5-acetamido-1,4,6,6-tetrahydroxyhex-4-en-3-yl]oxy-1,4,6-trihydroxyhex-4-en-3-yl]oxy-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,4-dihydroxyoxan-2-yl]methyl acetate by IUPAC nomenclature, provide its molecular formula.
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C42H69N5O27
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