Using CCCc1ccc(-c2ccc(CBr)c(F)c2)c(F)c1, Oc1ccc(F)c(F)c1 to produce CCCc1ccc(-c2ccc(COc3ccc(F)c(F)c3)c(F)c2)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.