Using NNc1ccc(F)cc1F, COC(=O)C(=O)C=Cc1ccc(Br)s1 to produce COC(=O)C1=NN(c2ccc(F)cc2F)C(c2ccc(Br)s2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.