Using [N-]=[N+]=[N-], COc1cc(C(C)C)c2c(c1)S(=O)(=O)N(CCl)C2=O to produce COc1cc(C(C)C)c2c(c1)S(=O)(=O)N(CN=[N+]=[N-])C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.