Using CC(=C(c1ccc(F)cc1)c1ccc(F)cc1)c1nnnn1C, NC(=O)CCC(=O)NBr to produce Cn1nnnc1C(CBr)=C(c1ccc(F)cc1)c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.