Using COC(=O)C(C)(C)Cc1ccc2oc(-c3nc(C(C)(C)C)cs3)cc2c1 to produce CC(C)(Cc1ccc2oc(-c3nc(C(C)(C)C)cs3)cc2c1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.