Using COC(=O)Cc1ccc(CBr)cc1, Cc1ccccc1N1CCNCC1 to produce Cc1ccccc1N1CCN(Cc2ccc(CC(=O)O)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.