Using CCOC(=O)C(NC1CC1)C(C)=O, O=C(O)c1cc(N2CCOCC2)cc(C(F)(F)F)c1 to produce CCOC(=O)C(C(C)=O)N(C(=O)c1cc(N2CCOCC2)cc(C(F)(F)F)c1)C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.