Using [N-]=[N+]=[N-], CS(=O)(=O)OCCCCc1ccc(CC(=O)O)cc1 to produce [N-]=[N+]=NCCCCc1ccc(CC(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.