Using CCOC(=O)Cc1nnc(-c2ccc([N+](=O)[O-])c(OC)c2)[nH]1 to produce COc1cc(-c2nnc(CC(=O)O)[nH]2)ccc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.