Using CCCCOC(=O)c1ccc(Nc2nc(N)c3c(-c4ccncc4)c[nH]c3n2)cc1 to produce Nc1nc(Nc2ccc(C(=O)O)cc2)nc2[nH]cc(-c3ccncc3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.