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What is the molecular formula of the compound with this IUPAC name 8-[2-hydroxy-2-[3-methyl-5-(tetrazol-1-yl)pyrazin-2-yl]ethyl]-2-(4-methyl-5-oxo-2H-furan-3-yl)-2,8-diazaspiro[4.5]decan-1-one ?
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C21H26N8O4
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