Using COC(=O)c1ccc2ccn(CCBr)c(=O)c2c1, COc1ccc(O)cc1 to produce COC(=O)c1ccc2ccn(CCOc3ccc(OC)cc3)c(=O)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.