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system
Name the molecular formula for the molecule established as N-[(3aS,6aR)-3-[4-(dimethylamino)phenyl]-5,5-dioxo-3a,4,6,6a-tetrahydrothieno[3,4-d][1,3]thiazol-2-ylidene]-2-methylpropanamide using the IUPAC nomenclature.
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C17H23N3O3S2
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