Using O=[N+]([O-])O, CCOC(=O)c1ccc(OCCOC)c(OCCOC)c1 to produce CCOC(=O)c1cc(OCCOC)c(OCCOC)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.