Using Oc1cccc(Nc2ncc(Br)c(Nc3ccccc3)n2)c1, CN1CCCC(CCl)C1 to produce CN1CCCC(COc2cccc(Nc3ncc(Br)c(Nc4ccccc4)n3)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.