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 3-[2-[2-[2-[2-[2-[2-[2-[2-(2-carboxyethoxy)ethoxy]ethoxy]ethoxy]ethyl-[3-(2,5-dioxopyrrol-1-yl)propanoyl]amino]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid is given. What is its corresponding molecular formula?
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C29H48N2O15
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