Using Nc1ccc2c(c1S(N)(=O)=O)CCC2, COc1cc(Nc2nccc(Cl)n2)cc(OC)c1OC to produce COc1cc(Nc2nccc(Nc3ccc4c(c3S(N)(=O)=O)CCC4)n2)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.