Using CC(C)(C)[Si](C)(C)Oc1cc(Br)cc2nccnc12, CS(=O)(=O)O[C@H]1CC[C@H](Nc2ncc(Br)cn2)CC1 to produce Brc1cc(O[C@H]2CC[C@@H](Nc3ncccn3)CC2)c2nccnc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.