Using O=Cc1ccc(Oc2ccc([N+](=O)[O-])cn2)cc1, OCCO to produce O=[N+]([O-])c1ccc(Oc2ccc(C3OCCO3)cc2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.