Using [N-]=[N+]=[N-], COc1ccc2c(c1)C(COS(C)(=O)=O)CC2 to produce COc1ccc2c(c1)C(CN=[N+]=[N-])CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.