You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named ethyl 2-[(3S,4R)-4-[benzyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]-1-[(4-methoxyphenyl)methyl]-5-oxopyrrolidin-3-yl]acetate by IUPAC nomenclature, provide its molecular formula.
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C28H36N2O6
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