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