Using CC(=O)Nc1c(OC(C)=O)cc(C(=O)O)cc1[N+](=O)[O-] to produce CC(=O)Nc1c(O)cc(C(=O)O)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.