Using [NH4+], CC(C)[C@H](NC(=O)OC(C)(C)C)C(=O)NCC(=O)c1ccc(Br)cn1 to produce CC(C)[C@H](NC(=O)OC(C)(C)C)c1nc(-c2ccc(Br)cn2)c[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.