You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[2-[[4-(3,5-difluoropyridin-2-yl)-3,5-diethoxyphenyl]methyl]-5-oxa-2,6-diazaspiro[3.4]oct-6-en-7-yl]-4-methylpiperidine-4-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
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C28H34F2N4O5
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