Using Brc1ccc2c3c(cccc13)C(N1CCNCC1)=N2, O=C(Cl)c1ccccc1 to produce O=C(c1ccccc1)N1CCN(C2=Nc3ccc(Br)c4cccc2c34)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.