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-chloro-6-[1-[4-(trifluoromethyl)anilino]phthalazin-6-yl]pyridin-3-yl]ethane-1,2-diol into its molecular formula.
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C22H16ClF3N4O2
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