Using Cc1nnc2n1-c1ccccc1NCC2Br, CC1(C)OB(c2ccc(N)nc2)OC1(C)C to produce Cc1nnc2n1-c1ccc(-c3ccc(N)nc3)cc1NCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.