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 2-[[[[1-(3-chloro-4-fluorophenyl)pyrrolidin-3-yl]amino]-(cyclopropylamino)methylidene]amino]-N,N-dimethylacetamide into its molecular formula.
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C18H25ClFN5O
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