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)-(6-methyl-2,3-dihydrochromen-4-ylidene)amino]-4-(4-nitrophenyl)-1,3-thiazol-2-amine is given. What is its corresponding molecular formula?
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C19H16N4O3S
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