Using CCOC(=O)c1cc2cc(OCCOC)cc([N+](=O)[O-])c2[nH]1 to produce COCCOc1cc([N+](=O)[O-])c2[nH]c(C(=O)O)cc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.