Using CC(C)(C)OC(=O)N1CCC(C#N)(NC(=O)c2ccc(Cl)cc2)CC1 to produce N#CC1(NC(=O)c2ccc(Cl)cc2)CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.