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-carboxyphenolate;(7,7-dimethyl-2-oxo-1-bicyclo[2.2.1]heptanyl)methanesulfonate is given. What is its corresponding molecular formula?
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C17H20O7S-2
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