Using C=CCBr, NC(=O)CNS(=O)(=O)Cc1cccc(C(F)(F)F)c1 to produce C=CCN(CC(N)=O)S(=O)(=O)Cc1cccc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.