You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-(2,4-dichlorophenyl)-4-(5-nitropyridin-1-ium-2-yl)-1,4-diazepane-1-carboxamide into its molecular formula.
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C17H18Cl2N5O3+
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