Using CC1(C)OB(c2cn[nH]c2)OC1(C)C, CC1(C)NC(=O)c2sc(Br)cc2N1 to produce CC1(C)NC(=O)c2sc(-c3cn[nH]c3)cc2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.