Using CC(C)(C)OC(=O)N=NC(=O)OC(C)(C)C, FC(F)(F)c1ccccc1Br to produce CC(C)(C)OC(=O)NN(C(=O)OC(C)(C)C)c1ccccc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.