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What is the molecular formula of the molecule identified by N-(4-chloro-2-methoxy-5-methylphenyl)-2-[(2Z)-2-[(E)-1-(4-fluorophenyl)ethylidenehydrazinylidene]-4-oxo-1,3-thiazolidin-5-yl]acetamide ?
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C21H20ClFN4O3S
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