You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[2-[2-[5-[(3,4-dichlorophenyl)methylidene]-2,4-dioxo-1,3-thiazolidin-3-yl]ethylamino]-2-oxoethyl]-4-methylbenzamide into molecular formula.
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C22H19Cl2N3O4S
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