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 (1R,2R)-2-[(3S)-3-(5-ethylfuran-2-yl)morpholine-4-carbonyl]cyclopropane-1-carboxylic acid is given. What is its corresponding molecular formula?
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C15H19NO5
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