Using COC(=O)c1ccc(C(=O)Nc2ccc3c(c2)CC(=O)N3)cc1 to produce O=C1Cc2cc(NC(=O)c3ccc(C(=O)O)cc3)ccc2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.