Using COC(=O)c1ccc(-c2nc3ccc(-c4n[nH]c(=O)cc4C)cc3o2)cc1 to produce Cc1cc(=O)[nH]nc1-c1ccc2nc(-c3ccc(C(=O)O)cc3)oc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.