You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [5-cyclopropyl-1-(3-methoxyphenyl)pyrazol-3-yl]-(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)methanone by IUPAC nomenclature, provide its molecular formula.
user
C21H25N3O4
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