Using Nc1ccc(C(F)(F)F)nc1, CC(C)CC(C=O)NC(=O)OC(C)(C)C to produce CC(C)CC(CNc1ccc(C(F)(F)F)nc1)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.