Using CS(=O)(=O)c1cc(F)c(F)cc1F, CC(C)(C)OC(=O)N1CCC(N2CCC[C@H](N)C2=O)CC1 to produce CC(C)(C)OC(=O)N1CCC(N2CCC[C@H](Nc3cc(F)c(S(C)(=O)=O)cc3F)C2=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.