Using NC(c1ccccc1)(c1ccccc1)c1ccccc1, COc1cc(Br)cc(CBr)c1CBr to produce COc1cc(Br)cc2c1CN(C(c1ccccc1)(c1ccccc1)c1ccccc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.