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system
Provide the molecular formula for the IUPAC named substance (5R)-6-fluoro-8-[(2S)-2-hydroxy-2-[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;methane .
user
C21H27FN8O4
assistant