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