Using O=C([O-])[O-], COC(=O)c1sc(C(=O)OC)c([N+](=O)[O-])c1O to produce COC(=O)c1sc(C(=O)OC)c([N+](=O)[O-])c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.