You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name methyl N-[[2-[[4-bromo-1-(3-chloropyridin-2-yl)pyrrole-2-carbonyl]amino]-5-chloro-3-methylbenzoyl]-methylamino]-N-methylcarbamate into its molecular formula.
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C22H20BrCl2N5O4
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