Using O=N[O-], NNc1cc(N2CCOCC2)nc(OCCOc2ccccn2)n1 to produce [N-]=[N+]=Nc1cc(N2CCOCC2)nc(OCCOc2ccccn2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.