Using CC1(C)CC(C)(C)c2cc(Br)ccc21, CC(C)(C)OC(=O)N=NC(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)NN(C(=O)OC(C)(C)C)c1ccc2c(c1)C(C)(C)CC2(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.