Using BrCc1ccccc1, CCOC(=O)n1[nH]c(=O)c2cnc(Cl)cc21 to produce CCOC(=O)n1c2cc(Cl)ncc2c(=O)n1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.