Using COCCOC(=O)c1cc(OCCOC)c(OC)cc1[N+](=O)[O-] to produce COCCOc1cc(C(=O)O)c([N+](=O)[O-])cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.