Using Nc1nccc(-n2ccc3ccc(-c4cccc([N+](=O)[O-])c4)cc32)n1 to produce Nc1cccc(-c2ccc3ccn(-c4ccnc(N)n4)c3c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.