Using COc1ccc(CN(C)C2CCNCC2(C)C)cc1, Brc1ccncc1 to produce COc1ccc(CN(C)C2CCN(c3ccncc3)CC2(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.