Using On1nnc2ccccc21, CS(=O)(=O)Nc1cc2oc(-c3ccc(F)cc3F)c(C(=O)O)c2cc1Br to produce CNC(=O)c1c(-c2ccc(F)cc2F)oc2cc(NS(C)(=O)=O)c(Br)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.