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-methyl-2-[4-(5-oxaspiro[3.5]nonan-8-yl)piperazin-1-yl]propan-1-amine is given. What is its corresponding molecular formula?
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C16H31N3O
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