Using O=[N+]([O-])c1cncnc1Nc1ccc(Nc2nc3ccccc3o2)cc1 to produce Nc1cncnc1Nc1ccc(Nc2nc3ccccc3o2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.