Using COC(=O)c1ccccc1NC(=O)c1ccc2cc3n(c2c1)CCCNC3=O to produce O=C(Nc1ccccc1C(=O)O)c1ccc2cc3n(c2c1)CCCNC3=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.