Using CC(=O)OC[C@H]1CC[C@]2(O)CC(=O)CC[C@]12C to produce CC(=O)OC[C@H]1CC[C@]2(O)C[C@@H](O)CC[C@]12C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.