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 4-fluoro-N-(3-prop-2-enyl-6,7-dihydro-[1,4]dioxino[2,3-f][1,3]benzothiazol-2-ylidene)benzamide into molecular formula.
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C19H15FN2O3S
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