Using COc1cc(OC)c2c(c1)OC(C(C)(C)C(N)=O)CC2=O to produce CC(C)(C(N)=O)C1CC(=O)c2c(O)cc(O)cc2O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.