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system
Provide the molecular formula for the IUPAC named substance (6S,7aS)-6-(ethoxymethyl)-6-hydroxy-2-[4-(2,2,2-trifluoroethoxy)phenyl]-1,5,7,7a-tetrahydropyrrolo[1,2-c]imidazol-3-one .
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C17H21F3N2O4
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