Using C[C@@H](Nc1nc(Nc2ccc(S(=O)(=NS(=O)(=O)CC[Si](C)(C)C)C3CC3)cc2)ncc1Br)C(C)(C)O to produce C[C@@H](Nc1nc(Nc2ccc(S(=N)(=O)C3CC3)cc2)ncc1Br)C(C)(C)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.