Using C[Si](C)(C)c1cccc(B(O)O)c1, O=Cc1cccc(Br)n1 to produce C[Si](C)(C)c1cccc(-c2cccc(C=O)n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.