You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named methyl 4-[[5-[[(4-chlorophenyl)sulfonylamino]methyl]furan-2-yl]methylidene]-1-(2-methoxyethyl)-2-methyl-5-oxopyrrole-3-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C22H23ClN2O7S
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