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 5-[[1-[(2S)-2,5-dihydro-1H-pyrrole-2-carbonyl]piperidin-4-yl]methyl]-4-ethyl-2-methyl-1,2,4-triazol-3-one into molecular formula.
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C16H25N5O2
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