You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[[3-carboxy-2-[[2-[[3,3-dimethyl-2-[2-oxo-2-(pentan-3-ylamino)ethyl]butanoyl]amino]-4-oxo-4-pyrrolidin-1-ylbutanoyl]amino]propanoyl]amino]-4-methylpentanoic acid by IUPAC nomenclature, provide its molecular formula.
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C31H53N5O9
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