Using CS(=O)(=O)c1nn2c(-c3ccc(Cl)cc3)c(-c3ccccc3Cl)cnc2c1C(=O)NC1CCCC1, [N-]=[N+]=[N-] to produce [N-]=[N+]=Nc1nn2c(-c3ccc(Cl)cc3)c(-c3ccccc3Cl)cnc2c1C(=O)NC1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.