Using O=C(O)[C@@H]1CCCN1, CC(C)c1cc(Nc2nc(Cl)nc3c2CCC3)n[nH]1 to produce CC(C)c1cc(Nc2nc(N3CCCC3C(=O)O)nc3c2CCC3)n[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.