You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[(1R,2R)-2-(4-bromophenyl)cyclopropanecarbonyl]-N-(3-chlorophenyl)-1,4-diazepane-1-carboxamide into its molecular formula.
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C22H23BrClN3O2
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