You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-[(2-chlorophenyl)methyl-methylsulfonylamino]-N-(2,3-dihydro-1,4-benzodioxin-6-yl)benzamide by IUPAC nomenclature, provide its molecular formula.
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C23H21ClN2O5S
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