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 2-[4-[(Z)-[2-(5-chloro-2-methylanilino)-4-oxo-1,3-thiazolidin-5-ylidene]methyl]phenoxy]acetamide into molecular formula.
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C19H18ClN3O3S
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