Using FC(F)(F)c1cc(CBr)n(-c2ccccc2Cl)n1, Oc1ccc(Br)cc1 to produce FC(F)(F)c1cc(COc2ccc(Br)cc2)n(-c2ccccc2Cl)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.