Using CCCc1cnc(Cl)nc1, Brc1ccc2nc(CC3CCNCC3)oc2c1 to produce CCCc1cnc(N2CCC(Cc3nc4ccc(Br)cc4o3)CC2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.