Using CC(=O)C(=NNc1ccc(-n2cccn2)cc1F)C(=O)c1occc1Br to produce CC(=O)c1nn(-c2ccc(-n3cccn3)cc2F)c2ccoc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.