You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (Z)-3-(2,4-dichlorophenyl)-N-[4-(4-nitrophenyl)-1,3-thiazol-2-yl]prop-2-enamide into its molecular formula.
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C18H11Cl2N3O3S
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