Using CCOC(=O)c1ccc(-n2cc(C#N)c3cc(C(=O)O)ccc32)cc1 to produce CCOC(=O)c1ccc(-n2cc(C#N)c3cc(CO)ccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.