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What is the molecular formula of the molecule identified by 2-[(2R,3S)-2-ethyl-7-fluoro-4-oxo-5-(2,2,2-trifluoroethyl)-2,3-dihydro-1,5-benzoxazepin-3-yl]-2-hydroxy-N'-(2,2,2-trifluoroethyl)propanediamide ?
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C18H18F7N3O5
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