Using CCN(c1cc(C#CC2CCN(C(=O)OC(C)(C)C)CC2)cc(C(=O)OC)c1C)C1CCOCC1 to produce CCN(c1cc(C#CC2CCN(C(=O)OC(C)(C)C)CC2)cc(C(=O)O)c1C)C1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.