Using CC(C)(C)OC(=O)NC1CNC1, Nc1ncc(Br)cc1S(=O)(=O)Cl to produce CC(C)(C)OC(=O)NC1CN(S(=O)(=O)c2cc(Br)cnc2N)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.