Using OB(O)c1ccc(F)c(Cl)c1, CCOC(=O)C1CC=C(OS(=O)(=O)C(F)(F)F)CC1 to produce CCOC(=O)C1CC=C(c2ccc(F)c(Cl)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.