Using Cc1c[nH]c2c(Cl)ncc(Br)c12, CC(C)(C)[Si](C)(C)OS(=O)(=O)C(F)(F)F to produce Cc1cn([Si](C)(C)C(C)(C)C)c2c(Cl)ncc(Br)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.