Using O=[N+]([O-])c1ccc(F)cc1CBr, CCc1cc(-c2nc(CC(=O)OC)cs2)ccn1 to produce CCc1cc(-c2nc(C(Cc3cc(F)ccc3[N+](=O)[O-])C(=O)OC)cs2)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.