Using Clc1ncc(Br)c2cc[nH]c12, CC(C)(C)[Si](C)(C)OS(=O)(=O)C(F)(F)F to produce CC(C)(C)[Si](C)(C)n1ccc2c(Br)cnc(Cl)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.