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 1-[3-[2-(4-fluorophenyl)imino-4-(4-nitrophenyl)-1,3-thiazol-3-yl]propyl]pyrrolidin-2-one into molecular formula.
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C22H21FN4O3S
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