Using COCOc1ccc(-n2c(=O)cc(-c3ccccc3Cl)[nH]c2=O)cc1 to produce O=c1cc(-c2ccccc2Cl)[nH]c(=O)n1-c1ccc(O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.