Using CC1(C)OB(c2cnn(CC3(COCc4ccccc4)CC3)c2)OC1(C)C to produce CC1(C)OB(c2cnn(CC3(CO)CC3)c2)OC1(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.