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