Using [N-]=[N+]=[N-], COC(=O)[C@H]1C[C@H](S(=O)(=O)c2ccc(Br)cc2C(F)(F)F)C[C@@H]1OC to produce COC(=O)[C@H]1C[C@H](S(=O)(=O)c2ccc(N=[N+]=[N-])cc2C(F)(F)F)C[C@@H]1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.