Using Cc1cc(Cl)ccc1OCc1ccccc1C(O)c1nccn1C, CCBr to produce CCOC(c1ccccc1COc1ccc(Cl)cc1C)c1nccn1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.