Using [N-]=[N+]=[N-], CS(=O)(=O)OCCc1ccc(-n2cc(-c3ccccc3)nc2C(F)(F)F)cc1 to produce [N-]=[N+]=NCCc1ccc(-n2cc(-c3ccccc3)nc2C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.