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For the molecule named tert-butyl 3-methyl-6-[6-methyl-2-(trifluoromethyl)-1,3-benzothiazol-5-yl]-3,4-dihydro-2H-pyridine-1-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C20H23F3N2O2S
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