Using Nc1nccc(-n2nc(CO)c3ccc(Br)cc32)n1, CCN(CC)S(F)(F)F to produce Nc1nccc(-n2nc(CF)c3ccc(Br)cc32)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.