Using CC(=O)O, CCc1cc(C(F)(C(F)(F)F)C(F)(F)F)cc(C)c1NC(=O)c1ccc(C(C)N)cc1 to produce CCc1cc(C(F)(C(F)(F)F)C(F)(F)F)cc(C)c1NC(=O)c1ccc(C(C)NC(C)=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.