Using O=C([O-])[O-], CC(=O)Nc1c([N+](=O)[O-])cc(F)cc1C(F)(F)F to produce COc1cc([N+](=O)[O-])c(NC(C)=O)c(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.