Using C[C@@]1(C2CCNCC2)Cc2cc(C3=CCN(S(C)(=O)=O)CC3)ncc2O1, Cc1cnc(Br)cn1 to produce Cc1cnc(N2CCC([C@]3(C)Cc4cc(C5=CCN(S(C)(=O)=O)CC5)ncc4O3)CC2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.