Using O=C(O)C1CCCCC1, CCS(=O)(=O)Nc1ncc(C(F)(F)F)cc1N to produce CCS(=O)(=O)Nc1ncc(C(F)(F)F)cc1NC(=O)C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.