Using C[N+](=O)[O-], Cc1ccccc1CC(=O)Nc1ccc(C(=O)O)c(Cl)c1 to produce Cc1ccccc1CC(=O)Nc1ccc(C(=O)C[N+](=O)[O-])c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.