Using CC(C)(C)[Si](C)(C)Cl, O=C(Nc1ccc(O)cc1)c1ccc(Br)cc1 to produce CC(C)(C)[Si](C)(C)Oc1ccc(NC(=O)c2ccc(Br)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.