Using COC(=O)C1=C(C=O)NC(C)=C(C(=O)OC(C)C)C1c1ccccc1[N+](=O)[O-], NO to produce COC(=O)C1=C(C=NO)NC(C)=C(C(=O)OC(C)C)C1c1ccccc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.