Using COCc1cc(-c2nc(-c3ccc(CO)cc3C)no2)ccc1-c1ccccc1C to produce COCc1cc(-c2nc(-c3ccc(C=O)cc3C)no2)ccc1-c1ccccc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.