Using [N-]=[N+]=[N-], Cc1ccc(S(=O)(=O)OCCc2ccc3nc(-c4ccccc4)[nH]c3c2)cc1 to produce [N-]=[N+]=NCCc1ccc2nc(-c3ccccc3)[nH]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.