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 benzyl N-[(2R,3S)-3-methyl-1-[[(2R)-2-methyl-3-oxo-4H-1,4-benzoxazin-6-yl]amino]-1-oxopentan-2-yl]carbamate is given. What is its corresponding molecular formula?
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C23H27N3O5
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