Using COC(=O)c1ccc(C(=O)OC)cc1, CCOC(C)OC(C)(C)C(C)=O to produce CC(C)(O)C(=O)CC(=O)c1ccc(C(=O)CC(=O)C(C)(C)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.