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 (2R,3S)-2-(1-ethoxy-1-oxopent-4-en-2-yl)-3-hydroxypyrrolidine-1-carboxylate is given. What is its corresponding molecular formula?
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C19H25NO5
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