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-methoxyphenyl) 4-[[4-chloro-1-(4-ethoxyphenyl)-2,5-dioxopyrrol-3-yl]amino]benzoate is given. What is its corresponding molecular formula?
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C26H21ClN2O6
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