Using Cc1ccc(S(=O)(=O)OC2CN(C(c3ccccc3)c3ccccc3)C2)cc1, [N-]=[N+]=[N-] to produce [N-]=[N+]=NC1CN(C(c2ccccc2)c2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.