Using CCN(CC)c1ccc(C(O)C#Cc2ccc(C(=O)OC)c(O)c2)cc1C(C)(C)C to produce CCN(CC)c1ccc(C(O)C#Cc2ccc(C(=O)O)c(O)c2)cc1C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.