You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 3-fluoro-4-methyl-N-[2-[[prop-2-enyl(thiophen-2-ylmethyl)carbamoyl]amino]ethyl]benzamide by IUPAC nomenclature, provide its molecular formula.
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C19H22FN3O2S
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