Using OCCc1cccc(CBr)c1, Cc1ccc(C(=O)N2CCOC3(CNC3)C2)s1 to produce Cc1ccc(C(=O)N2CCOC3(CN(Cc4cccc(CCO)c4)C3)C2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.