Using CCOC(=O)[C@@H](O)[C@@H](CC(=O)OC(C)(C)C)C(=O)OCC to produce O=C1C[C@@H](C(=O)O)[C@@H](C(=O)O)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.