You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 1-[5-bromo-2-[(E)-2-(4-chlorophenyl)ethenyl]-3H-inden-1-yl]-2,2,3-trifluoropropan-1-one into its molecular formula.
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C20H13BrClF3O
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