Using N=C(N)N, NS(=O)(=O)c1ccc2c(Cl)cnc(Cl)c2c1 to produce N=C(N)Nc1ncc(Cl)c2ccc(S(N)(=O)=O)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.