You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Provide the molecular formula for the IUPAC named substance 5-[[1-(2,4-dichlorophenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-methyl-2-methylimino-1,3-thiazolidin-4-one .
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C18H17Cl2N3OS
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