Using Cc1cc(Br)cc(Cl)c1Oc1ccc(O)cn1, CC(C)(C)[Si](C)(C)Cl to produce Cc1cc(Br)cc(Cl)c1Oc1ccc(O[Si](C)(C)C(C)(C)C)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.