Using Cc1cn(-c2cc(Oc3cnc([N+](=O)[O-])cc3C)ccn2)cn1 to produce Cc1cn(-c2cc(Oc3cnc(N)cc3C)ccn2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.