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system
Name the molecular formula for the molecule established as 3-[2-[(4-chloro-3-fluorophenyl)methyl]-2-methyl-3H-1-benzofuran-5-yl]-1-(3-hydroxyazetidin-1-yl)propan-1-one using the IUPAC nomenclature.
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C22H23ClFNO3
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