Using O=C(n1ccnc1)n1ccnc1, Nc1cc([N+](=O)[O-])ccc1O to produce O=c1[nH]c2cc([N+](=O)[O-])ccc2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.