Using O, COC(=O)C(=[N+]=[N-])c1ccc(S(C)(=O)=O)c(Cl)c1 to produce COC(=O)C(OC1C=CCCC1)c1ccc(S(C)(=O)=O)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.