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 tert-butyl N-[(2R,3S)-1-[[2-(difluoromethoxy)phenyl]methylamino]-3-methyl-1-oxopentan-2-yl]carbamate is given. What is its corresponding molecular formula?
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C19H28F2N2O4
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