Using CC(C)(C)[Si](Cl)(c1ccccc1)c1ccccc1, OCC[C@@H]1OCCc2cc(Br)ccc21 to produce CC(C)(C)[Si](OCC[C@@H]1OCCc2cc(Br)ccc21)(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.