Using CC(C)(C)[Si](C)(C)Cl, Cc1c(N[C@@H](C(=O)NNC(=O)c2ccc(Br)cc2)[C@H](C)O)ccc(C#N)c1Cl to produce Cc1c(N[C@@H](C(=O)NNC(=O)c2ccc(Br)cc2)[C@H](C)O[Si](C)(C)C(C)(C)C)ccc(C#N)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.