Using CCOC(=O)C(C(=O)OCC)C(C)(C)CCCCCCCCCCC(C)(C)C(C(=O)OCC)C(=O)OCC to produce CC(C)(CCCCCCCCCCC(C)(C)CC(=O)O)CC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.