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Translate the chemical IUPAC name [3-[[4-(5-bromo-2-phenyl-1H-pyrrolo[2,3-b]pyridin-3-yl)phenyl]methyl-(1,2-dihydroxypropyl)amino]-2-hydroxypropyl] 2,2,2-trifluoroacetate into its molecular formula.
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C28H27BrF3N3O5
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