Using CCCCCCCCCCCCOC(=O)c1ccc2c(c1)C(=O)OC2=O, NO to produce CCCCCCCCCCCCOC(=O)c1ccc2c(c1)C(=O)N(O)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.