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What is the molecular formula of the molecule identified by methyl 4-[19-[[(4aR,6S,7R,8R,8aS)-7,8-dihydroxy-2,2-dimethyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy]-4,4,23-trimethyl-26-(3-methylbut-2-enyl)-23-(4-methylpent-3-enyl)-30-oxo-3,24,28-trioxa-9-thia-16-azaoctacyclo[15.11.1.12,7.01,5.08,29.010,15.018,27.020,25]triaconta-10,12,14,16,18,20(25),21,26-octaen-2-yl]-2-methylbut-2-enoate ?
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C54H65NO12S
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