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 [2-oxo-2-[[(1R)-1-phenylethyl]amino]ethyl] 2-(2-oxo-1,3-benzoxazol-3-yl)acetate is given. What is its corresponding molecular formula?
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C19H18N2O5
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