Using CCCOC(=O)[C@@H](N)Cc1ccc(-c2c(C)n(C)c(=O)n(C)c2=O)cc1, O=C(O)c1c(F)cc(Br)cc1F to produce CCCOC(=O)[C@H](Cc1ccc(-c2c(C)n(C)c(=O)n(C)c2=O)cc1)NC(=O)c1c(F)cc(Br)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.