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system
Provide the molecular formula for the IUPAC named substance 2-chloro-5-[[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]methoxy]pyrazine;2,5-dichloropyrazine;[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]methanol .
user
C20H27Cl3N4O6
assistant