Using COC(=O)c1cc(-c2nc3c([nH]2)COC(C)C3)c(C)cc1C to produce Cc1cc(C)c(-c2nc3c([nH]2)COC(C)C3)cc1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.