Using COC(=O)c1ccc(CNC(=O)c2cccc(-c3nnn(Cc4ccc(OC)cc4)n3)c2)cc1 to produce COc1ccc(Cn2nnc(-c3cccc(C(=O)NCc4ccc(C(=O)O)cc4)c3)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.