Using CCO, CC(C)(C)OC(=O)[C@@H]1[C@H](C#CC(=O)O)C1(C)C to produce CCOC(=O)C#C[C@H]1[C@@H](C(=O)OC(C)(C)C)C1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.