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