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-morpholin-4-yl-N'-[3-(4-oxo-2-sulfanylidene-1H-quinazolin-3-yl)propanoyl]-1,3-thiazole-4-carbohydrazide is given. What is its corresponding molecular formula?
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C19H20N6O4S2
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