Using BrCCc1ccccc1, CC1(C)OB(c2cn[nH]c2)OC1(C)C to produce CC1(C)OB(c2cnn(CCc3ccccc3)c2)OC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.