Using COc1cc(OC)nc(Cl)n1, O=[N+]([O-])c1cnn(CCO)c1 to produce COc1cc(OC)nc(OCCn2cc([N+](=O)[O-])cn2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.