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system
Name the molecular formula for the molecule established as potassium;(5-bromo-2-methoxyphenyl)sulfonyl-[(3S)-3-(hydroxymethyl)-5-oxo-3,4-dihydro-2H-oxepino[2,3-b]pyridin-7-yl]azanide using the IUPAC nomenclature.
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C17H16BrKN2O6S
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