Using CC(C)(C)[Si](C)(C)OCc1ccccc1Br, CC1(C)OB(c2ccc3nc(Cl)cn3c2)OC1(C)C to produce CC(C)(C)[Si](C)(C)OCc1ccccc1-c1c(Cl)nc2ccccn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.