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 4-[[2,5-dimethyl-1-(2,2,2-trifluoroethyl)pyrrol-3-yl]methylidene]-5-methyl-2-phenylpyrazol-3-one into molecular formula.
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C19H18F3N3O
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