You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule (Z)-4,4,4-trifluoro-N-[4-(5-methyl-1H-1,2,4-triazol-3-yl)phenyl]-3-phenylbut-2-enamide into molecular formula.
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C19H15F3N4O
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