Using CCCOc1ccc(C#Cc2ccc(C(C)CNC(=O)OC(C)(C)C)cc2)cc1 to produce CCCOc1ccc(C#Cc2ccc(C(C)CN)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.