Using COC(=O)c1c(C)c(=O)c2ccc(Cl)cc2n1-c1ccccc1 to produce Cc1c(C(=O)O)n(-c2ccccc2)c2cc(Cl)ccc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.