You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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2-[[2-[[5-amino-5-oxo-2-(pyrrolidine-2-carbonylamino)pentanoyl]amino]-3-methylpentanoyl]amino]-4-methylpentanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
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C22H39N5O6
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