You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-O-tert-butyl 2-O-methyl (2S,3S,4R)-4-acetyl-3-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]pyrrolidine-1,2-dicarboxylate is given. What is its corresponding molecular formula?
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C19H31NO7
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