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 (5S)-5-[2-[(6-chloro-1,3-benzodioxol-5-yl)methylamino]ethyl]-1-[[3-(trifluoromethoxy)phenyl]methyl]pyrrolidin-2-one into molecular formula.
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C22H22ClF3N2O4
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