Using O=c1c2cc(Br)ccc2oc2cc(F)c(F)cc12, OCC(F)(F)F to produce O=c1c2cc(Br)ccc2oc2cc(OCC(F)(F)F)c(F)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.