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 ethane;methyl 2-methyl-2-[2,2,4-trimethyl-4-[methyl(oxoboranylmethyl)amino]-5-oxopyrrolidin-1-yl]propanoate is given. What is its corresponding molecular formula?
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C16H31BN2O4
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