You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name disodium;4-[4-[(1-carboxylato-4-phenylcyclohexa-2,4-dien-1-yl)diazenyl]phenyl]benzoate into its molecular formula.
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C26H18N2Na2O4
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