Using CCOC(=O)c1cc2c(cn1)[nH]c1ccc(C#CCO)cc12 to produce CCOC(=O)c1cc2c(cn1)[nH]c1ccc(C#CC=O)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.