You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule (Z)-3-(4-ethylphenyl)-2-[4-(2-oxochromen-3-yl)-1,3-thiazol-2-yl]prop-2-enenitrile into molecular formula.
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C23H16N2O2S
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