Using COC(=O)[C@H](CC(C)(F)F)NC(=O)N1CCC2(CC1)CC2 to produce CC(F)(F)C[C@H](NC(=O)N1CCC2(CC1)CC2)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.