Using Brc1cccc2[nH]ncc12, CC(=O)Nc1nc2ccc(B3OC(C)(C)C(C)(C)O3)cc2s1 to produce CC(=O)Nc1nc2ccc(-c3cccc4[nH]ncc34)cc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.