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What is the molecular formula of the compound with this IUPAC name 3-[(2Z)-2-[(E)-3-(3-ethyl-1,3-benzothiazol-3-ium-2-yl)-2-methylprop-2-enylidene]-5,6-dimethyl-1,3-benzothiazol-3-yl]propane-1-sulfonate ?
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C25H28N2O3S3
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