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 tert-butyl 6-(6-bromopyridin-3-yl)-6-hydroxy-2-azaspiro[3.4]octane-2-carboxylate is given. What is its corresponding molecular formula?
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C17H23BrN2O3
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