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Under IUPAC nomenclature, a molecule named 1-(dimethylamino)-N-[(2S,3R)-3-hydroxy-1-(hydroxyamino)-1-oxobutan-2-yl]-4-phenylcyclohexa-2,5-diene-1-carboxamide is given. What is its corresponding molecular formula?
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C19H25N3O4
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