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 2-[(5E)-5-[[3-ethoxy-5-iodo-4-[2-(4-methylanilino)-2-oxoethoxy]phenyl]methylidene]-2,4-dioxo-1,3-thiazolidin-3-yl]acetic acid is given. What is its corresponding molecular formula?
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C23H21IN2O7S
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