Using OB(O)c1ccc(F)cc1, COc1ccc2nc(-c3ccc(C)c([N+](=O)[O-])c3)c(Br)n2n1 to produce COc1ccc2nc(-c3ccc(C)c([N+](=O)[O-])c3)c(-c3ccc(F)cc3)n2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.