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-[[4-[[(2S)-2-(cyclohexylmethyl)-5-(methoxymethyl)pyrrolidin-1-yl]methyl]-2-(2-methylphenyl)benzoyl]amino]-4-methylsulfanylbutanoic acid;2-methyl-4-methylsulfonylbutanoic acid by IUPAC nomenclature, provide its molecular formula.
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C39H58N2O8S2
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