Using Cc1ccc2nnc(Sc3ccc4ncc(Br)cc4c3)n2n1, Cn1cc(B2OC(C)(C)C(C)(C)O2)cn1 to produce Cc1ccc2nnc(Sc3ccc4ncc(-c5cnn(C)c5)cc4c3)n2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.