Using CCOC(=O)C(Cc1ccc(O)cc1)OCC, Nc1ccc(CCO)cc1 to produce CCOC(=O)C(Cc1ccc(OCCc2ccc(N)cc2)cc1)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.