Using CC(C)(C)OC(=O)Nc1ccc(Oc2ccc(CO)nc2)cc1 to produce CC(C)(C)OC(=O)Nc1ccc(Oc2ccc(C=O)nc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.