Using CCOC(=O)CC(=O)c1ccc(F)cc1, Nc1ccc(Br)cn1 to produce CCOC(=O)c1c(-c2ccc(F)cc2)nc2ccc(Br)cn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.