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What is the molecular formula of the molecule [(4aR,6S,7S,8S,8aR)-6-[[(4R,5S)-5-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-2,2-dimethyl-1,3-dioxolan-4-yl]-hydroxymethoxy]-2-phenyl-8-phenylmethoxy-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-7-yl] octanoate ?
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C39H54O12
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