Using C[N+](=O)[O-], COC(=O)c1ccc(NS(C)(=O)=O)c(C=O)c1 to produce COC(=O)c1ccc(NS(C)(=O)=O)c(C(O)C[N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.