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 N-(1,3-benzodioxol-5-yl)-2-[2-chloro-4-[(4-ethoxyphenyl)sulfamoyl]phenoxy]acetamide is given. What is its corresponding molecular formula?
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C23H21ClN2O7S
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