Using Clc1ccc2ncc(Br)n2n1, C[Si](C)(C)CCOCn1cc2cc(C=O)ccc2n1 to produce C[Si](C)(C)CCOCn1cc2cc(C(O)c3cnc4ccc(Cl)nn34)ccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.