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 sodium;3-[2-[2-[[5,6-dimethyl-3-(3-sulfopropyl)-1,3-benzoselenazol-2-ylidene]methyl]but-1-enyl]-5,6-dimethyl-1,3-benzoselenazol-3-ium-3-yl]propane-1-sulfonate into molecular formula.
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C29H36N2NaO6S2Se2+
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