Using ClCCCOc1ccccc1Nc1nc(Cl)nc2[nH]cnc12, BrC1CCCC1 to produce ClCCCOc1ccccc1Nc1nc(Cl)nc2c1ncn2C1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.