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 (4,5-difluoro-2-nitrophenyl)-(3-hydroxy-3-propan-2-ylazetidin-1-yl)methanone is given. What is its corresponding molecular formula?
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C13H14F2N2O4
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