Using C[C@@H]1CNC[C@H](C)N1, CC(C)(C)c1ccc(Br)cc1 to produce C[C@@H]1CN(c2ccc(C(C)(C)C)cc2)C[C@H](C)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.