Using OB(O)c1ccncc1, CN(C)S(=O)(=O)c1cc(Br)c(F)cc1F to produce CN(C)S(=O)(=O)c1cc(-c2ccncc2)c(F)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.