Using CC(C)c1ccc(CC(=O)N[C@H](c2ccc(Br)cn2)c2cn(C[Si](C)(C)C)nn2)cc1 to produce CC(C)c1ccc(CC(=O)N[C@H](c2ccc(Br)cn2)c2cn(C)nn2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.