Using C[S+](C)(C)=O, C=C(C#N)c1ccc(NC(=O)OC(C)(C)C)cc1CN(C)C(=O)OC(C)(C)C to produce CN(Cc1cc(NC(=O)OC(C)(C)C)ccc1C1(C#N)CC1)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.