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 (2R)-3-[4-[1-[2-(3-chlorophenyl)ethylamino]-1-oxopropan-2-yl]oxyphenyl]-2-ethoxypropanoic acid is given. What is its corresponding molecular formula?
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C22H26ClNO5
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