You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[3-[[(2R,3R)-2-(2,5-difluorophenyl)-3-(2-fluorophenoxy)-4-oxoazetidin-1-yl]methyl]phenyl]acetamide into molecular formula.
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C24H19F3N2O3
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