Using COC1COCCC1=O, NC(=O)N1C[C@@H]2C[C@@H](N)C[C@]2(C(=O)N2CCc3ccc(C(F)(F)F)cc3C2)C1 to produce CO[C@@H]1COCC[C@@H]1N[C@@H]1C[C@H]2CN(C(N)=O)C[C@@]2(C(=O)N2CCc3ccc(C(F)(F)F)cc3C2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.