Using COC(=O)COc1c(C)cc(-c2nn(C)c(=O)c3ccccc23)cc1C to produce Cc1cc(-c2nn(C)c(=O)c3ccccc23)cc(C)c1OCC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.