Using CC(C)C[C@H](NC(=O)c1ccc(Br)c(Cl)n1)C(N)=O, Oc1ccc(F)cc1 to produce CC(C)C[C@H](NC(=O)c1ccc(Br)c(Oc2ccc(F)cc2)n1)C(N)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.