Using c1ccc2[nH]nnc2c1, O=[N+]([O-])c1ccc(Cl)cc1 to produce O=[N+]([O-])c1ccc(-n2nc3ccccc3n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.