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 2-N,7-N-bis(4-hydroxy-3-methylbutyl)-9-oxoxanthene-2,7-disulfonamide;4,8-bis[(4-hydroxyphenyl)methylsulfonyl]naphthalene-2-carboxylic acid;4,8-bis[(4-hydroxyphenyl)methylsulfonyl]naphthalene-2-sulfonamide is given. What is its corresponding molecular formula?
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C72H71N3O24S7
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