Using CCC(COC)n1cc(Cl)nc(Cl)c1=O, Cc1cc(Br)cc(C)c1N to produce CCC(COC)n1cc(Cl)nc(Nc2c(C)cc(Br)cc2C)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.