Using C[N+]1([O-])CCOCC1, C=CC[C@H]1OC[C@@H](C2CCCCC2)N(c2cc(C#CC(C)(C)C)sc2C(=O)OC)C1=O to produce COC(=O)c1sc(C#CC(C)(C)C)cc1N1C(=O)[C@@H](CC=O)OC[C@H]1C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.