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system
Name the molecular formula for the molecule established as 5-(4-chlorophenyl)-1-[(3R)-1,1-dioxothiolan-3-yl]-N-[(2S,3R)-1-hydroxy-3-methylpentan-2-yl]pyrazole-3-carboxamide using the IUPAC nomenclature.
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C20H26ClN3O4S
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