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Name the molecular formula for the molecule established as [8-(2,4-dichlorophenyl)-2-(2,2,2-trifluoroacetyl)oxy-4,5-dihydro-3H-pyrido[3,2-f][1,4]oxazepin-2-yl] 2,2,2-trifluoroacetate using the IUPAC nomenclature.
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C18H10Cl2F6N2O5
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