Using COc1ccc(C=O)cc1[N+](=O)[O-], O=C1CSC(=O)N1 to produce COc1ccc(C=C2SC(=O)NC2=O)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.