Using Cc1ccccc1-c1cc(N)ncc1N(C)C(=O)C(C)(C)c1cc(C(F)(F)F)cc(C(F)(F)F)c1, O=C(Cl)CCC(=O)Cl to produce Cc1ccccc1-c1cc(N2C(=O)CCC2=O)ncc1N(C)C(=O)C(C)(C)c1cc(C(F)(F)F)cc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.