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system
Provide the molecular formula for the IUPAC named substance (2S)-2-amino-4-[[1-[(2R,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidin-4-yl]amino]-4-oxobutanoic acid;hydrate .
user
C13H20N4O9
assistant