You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-cyclopropyl-2-[5-(1,7-dioxa-2-azaspiro[4.4]non-2-en-3-yl)-2-(2,2,2-trifluoroethoxy)phenoxy]acetamide into molecular formula.
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C19H21F3N2O5
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