Using CCOC(=O)CCCc1cc(C(=O)c2cccc(NC(C)C(=O)OCc3ccccc3)c2)c2ccccn12 to produce CCOC(=O)CCCc1cc(C(=O)c2cccc(NC(C)C(=O)O)c2)c2ccccn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.