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 5-[[(Z)-4-amino-1,1,1-trifluoro-4-pyridin-3-ylbut-3-en-2-ylidene]amino]pyridine-2-carboxylic acid into its molecular formula.
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C15H11F3N4O2
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