Using O=C(O)c1cnc(OCC(F)(F)F)c(Br)c1, OB(O)c1ccc(F)c(Cl)c1 to produce O=C(O)c1cnc(OCC(F)(F)F)c(-c2ccc(F)c(Cl)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.