Using Cc1cc(Nc2cc(Br)cn(C)c2=O)n[nH]1, CC(C)(C)[Si](C)(C)OCCBr to produce Cc1cc(Nc2cc(Br)cn(C)c2=O)nn1CCO[Si](C)(C)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.