Using CCOC(=O)C(C)(C)c1cccc(C#Cc2ccc(CC(=O)OC)cc2)c1 to produce COC(=O)Cc1ccc(C#Cc2cccc(C(C)(C)C(=O)O)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.