Using O=c1[nH]c2ccc(Cl)cc2n1-c1cccc(Cl)c1, COc1ccc(S(=O)(=O)Cl)c(OC)c1 to produce COc1ccc(S(=O)(=O)n2c(=O)n(-c3cccc(Cl)c3)c3cc(Cl)ccc32)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.