You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named sodium;4-O-(2-ethylhexyl) 1-O-(4,4,5,5,6,6,7,7,7-nonafluoroheptyl) 2-oxidoperoxysulfanylbutanedioate is given. What is its corresponding molecular formula?
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C19H26F9NaO7S
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