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What is the molecular formula of the compound with this IUPAC name [2-[[5-chloro-3-(sulfonatomethyl)-1,3-benzothiazol-2-ylidene]methyl]-2H-thieno[2,3-d][1,3]thiazol-3-yl]methanesulfonate ?
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C15H11ClN2O6S5-2
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