You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named ethyl 2-[(3,4-dimethyl-5-oxo-2H-furan-2-yl)oxymethoxy]-2-[6-(trifluoromethyl)-2,3-dihydro-1H-inden-1-yl]acetate by IUPAC nomenclature, provide its molecular formula.
user
C21H23F3O6
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