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 1,4-dioxa-8-azaspiro[4.5]decan-8-yl-(1,5-diphenyl-1,2,4-triazol-3-yl)methanone is given. What is its corresponding molecular formula?
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C22H22N4O3
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