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system
Name the molecular formula for the molecule established as N-[2-[2-(4-chlorophenyl)-[1,3]thiazolo[3,2-b][1,2,4]triazol-6-yl]ethyl]-2,5-dimethylbenzenesulfonamide using the IUPAC nomenclature.
user
C20H19ClN4O2S2
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