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-tert-butyl-1-(2,2-difluoroethyl)-3-methyl-2-oxoimidazolidin-1-ium-4-carboxylate is given. What is its corresponding molecular formula?
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C11H18F2N2O3
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