Using OC(c1ccc(Br)s1)C(F)(F)F, CSc1ccc(B(O)O)cc1 to produce CSc1ccc(-c2ccc(C(=O)C(F)(F)F)s2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.