Using COC(=O)[C@H](CC(C)C)NC(c1ccccc1)C(F)(F)F to produce CC(C)C[C@H](NC(c1ccccc1)C(F)(F)F)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.