Using Nc1ccc(F)cc1, O=C(N1Cc2ccc(S(=O)(=O)Cl)cc2C1)C(F)(F)F to produce O=C(N1Cc2ccc(S(=O)(=O)Nc3ccc(F)cc3)cc2C1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.