Using C[C@@H](C(N)=O)n1ccc2c(N)c(Cl)ccc2c1=O, O=C(O)Cc1ccc(C(F)(F)F)cc1 to produce C[C@@H](C(N)=O)n1ccc2c(NC(=O)Cc3ccc(C(F)(F)F)cc3)c(Cl)ccc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.