You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 4-[(Z)-[[2-(3-oxo-4H-quinoxalin-2-yl)acetyl]hydrazinylidene]methyl]benzene-1,3-disulfonate into molecular formula.
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C17H12N4O8S2-2
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