You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Can you give the molecular formula of the molecule 2-[(5E)-5-[(2,6-dichlorophenyl)methylidene]-3-(2,6-dimethylphenyl)-4-oxo-1,3-thiazolidin-2-ylidene]propanedinitrile ?
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C21H13Cl2N3OS
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