Using O=C1CCOc2cc(Oc3ccc([N+](=O)[O-])cc3)ccc21 to produce O=[N+]([O-])c1ccc(Oc2ccc3c(c2)OCCC3O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.