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system
Provide the molecular formula for the IUPAC named substance 2-[[(2S,4S,5R)-5-(6-amino-2-chloropurin-9-yl)-4-fluorooxolan-2-yl]methoxy]-2-[(4-chloro-2,6-difluorophenyl)methyl]propanedioic acid .
user
C20H16Cl2F3N5O6
assistant