Using CC(C)(C)OC(=O)N1C[C@@H]2C[C@@H]2[C@H]1CNc1ncc(Br)cn1 to produce Brc1cnc(NC[C@H]2NC[C@@H]3C[C@@H]32)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.