Using [N-]=[N+]=[N-], Clc1ccc(C(Cl)Cn2ccnc2)nc1 to produce [N-]=[N+]=NC(Cn1ccnc1)c1ccc(Cl)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.