You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [2-cyclobutyl-4-(methoxymethyl)-2,8-diazaspiro[4.5]decan-8-yl]-(2-methoxyphenyl)methanone by IUPAC nomenclature, provide its molecular formula.
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C22H32N2O3
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