You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-chloro-N-[3-[(4-chloropyridine-2-carbonyl)amino]-2,2-dimethylpropyl]pyridine-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C17H18Cl2N4O2
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