You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-(4-chlorophenyl)-4-(4-chlorophenyl)sulfonyl-1,3-thiazole-5-carbaldehyde;1-nitrosopropane is given. What is its corresponding molecular formula?
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C19H16Cl2N2O4S2
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