Using COc1cc2nc(Cl)nc(N)c2cc1OC, O=C(O)CC1CCNCC1 to produce COc1cc2nc(N3CCC(CC(=O)O)CC3)nc(N)c2cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.