Using N=C(N)N, COC(=O)CC(c1ccccc1)c1ccc(OC)c(S(=O)(=O)Cl)c1 to produce COC(=O)CC(c1ccccc1)c1ccc(OC)c(S(=O)(=O)N=C(N)N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.