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 2-[2-(2-oxopyrrolidin-1-yl)ethylsulfanyl]ethyl 2-[4-[[4-[2-[2,2-bis(hydroxymethyl)-3-[2-[4-[[4-[2-oxo-2-[2-[2-(2-oxopyrrolidin-1-yl)ethylsulfanyl]ethoxy]ethyl]phenyl]methyl]phenyl]acetyl]oxypropoxy]-2-oxoethyl]phenyl]methyl]phenyl]acetate into molecular formula.
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C55H66N2O12S2
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