Using CI, O=C(O)c1ccc(-n2nc3c4ccccc4[nH]cc-3c2=O)cc1 to produce Cn1cc2c(=O)n(-c3ccc(C(=O)O)cc3)nc-2c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.