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What is the molecular formula of the molecule identified by (6R,7R)-1-[(4S,5R)-4-acetyloxy-5-methyl-3-methylidene-6-phenylhexyl]-4,7-dihydroxy-6-(11-phenoxyundecylcarbamoyloxy)-2,8-dioxabicyclo[3.2.1]octane-3,4,5-tricarboxylic acid ?
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C43H57NO15
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