You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [[5-[bis(4-chlorophenyl)methylcarbamoyl]-4-oxo-1H-pyridine-2-carbonyl]amino]methyl cyclopropanecarboxylate by IUPAC nomenclature, provide its molecular formula.
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C25H21Cl2N3O5
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