Using CCOC(=O)c1cc(C)n(Cc2cc(Cl)ccc2O)n1, Clc1ccc(CBr)cc1 to produce CCOC(=O)c1cc(C)n(Cc2cc(Cl)ccc2OCc2ccc(Cl)cc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.