Using COc1ccc(C2=NOC(CCC=O)C2)cc1OC, c1cnc(N2CCNCC2)nc1 to produce COc1ccc(C2=NOC(CCCN3CCN(c4ncccn4)CC3)C2)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.