Using COC(=O)c1nccnc1NS(=O)(=O)c1ccc(Cl)c(Cl)c1 to produce O=C(O)c1nccnc1NS(=O)(=O)c1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.