You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (2Z,5E)-2-[2-(4-chlorophenyl)-2-oxoethylidene]-3-methyl-5-[(4-nitrophenyl)methylidene]-1,3-thiazolidin-4-one ?
user
C19H13ClN2O4S
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