Using Cc1ncc(Br)cn1, CC1(C)OB(C2=CCN(Cc3ccccc3)C2)OC1(C)C to produce Cc1ncc(C2=CCN(Cc3ccccc3)C2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.