Using [N-]=[N+]=[N-], CN(CCCCCl)C(=O)n1cnc(-c2ccccc2)c1 to produce CN(CCCCN=[N+]=[N-])C(=O)n1cnc(-c2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.