You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-[(2S)-1-oxo-1-[4-[2-oxo-2-[4-(trifluoromethoxy)anilino]ethyl]piperazin-1-yl]propan-2-yl]cyclopropanecarboxamide is given. What is its corresponding molecular formula?
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C20H25F3N4O4
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