Using CCOC(=O)[C@H](Cc1ccc(OCC(=O)O)cc1)OCC, CCNCc1ccc(C(C)(C)C)cc1 to produce CCOC(=O)[C@H](Cc1ccc(OCC(=O)N(CC)Cc2ccc(C(C)(C)C)cc2)cc1)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.