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 5-chloro-3-hydroxy-2-[5-(trifluoromethyl)-1,3-benzothiazol-2-yl]pent-2-enenitrile is given. What is its corresponding molecular formula?
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C13H8ClF3N2OS
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