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 N-[(Z)-(2-chlorophenyl)methylideneamino]-4-(4-morpholin-4-ylsulfonylphenyl)-1,3-thiazol-2-amine is given. What is its corresponding molecular formula?
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C20H19ClN4O3S2
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