Using OB(O)c1cccc(F)c1, CC1(C)OC(c2ccc(S(C)(=O)=O)cc2)=C(Br)C1=O to produce CC1(C)OC(c2ccc(S(C)(=O)=O)cc2)=C(c2cccc(F)c2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.