Using O=C(CC(O)(c1cc(Cl)cc(Cl)c1)C(F)(F)F)c1ccc(Br)c2ccccc12 to produce O=C(C=C(c1cc(Cl)cc(Cl)c1)C(F)(F)F)c1ccc(Br)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.