Using CSc1ncc(Br)c(C(=O)N(C)Cc2cc(C(F)(F)F)cc(C(F)(F)F)c2)n1, OB(O)c1ccccc1 to produce CSc1ncc(-c2ccccc2)c(C(=O)N(C)Cc2cc(C(F)(F)F)cc(C(F)(F)F)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.