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 (1R,2S)-N-[[1-(4-fluorophenyl)pyrazol-4-yl]methyl]-2-[(3-methyl-1,2-oxazol-5-yl)methyl]cyclopentan-1-amine into molecular formula.
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C20H23FN4O
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