You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named benzyl 4-[4-chloro-3-(trifluoromethyl)phenyl]-5-propan-2-yl-1,3-thiazole-2-carboxylate is given. What is its corresponding molecular formula?
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C21H17ClF3NO2S
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