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 (6-methoxypyridin-3-yl)-[8-(4-methyl-1,2,4-triazol-3-yl)-6-azaspiro[3.4]octan-6-yl]methanone is given. What is its corresponding molecular formula?
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C17H21N5O2
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