Using COc1ccc(-c2cccc(CO)c2)cc1CNC(=O)OC(C)(C)C to produce COc1ccc(-c2cccc(C=O)c2)cc1CNC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.