Using CCOC(=O)C(C(=O)OCC)C(C)(C[S+](C)C)c1ccc(F)cc1 to produce CCOC(=O)C1(C(=O)OCC)CC1(C)c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.