You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 1-(5-chloro-2-methoxybenzoyl)-N-[3-(trifluoromethoxy)phenyl]pyrrolidine-2-carboxamide using the IUPAC nomenclature.
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C20H18ClF3N2O4
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