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 4-(6-azaspiro[3.5]nonan-6-yl)-2-oxo-1H-1,7-naphthyridine-3-carbonitrile is given. What is its corresponding molecular formula?
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C17H18N4O
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