Using C[O-], O=C(NS(=O)(=O)c1c(Cl)cccc1Cl)c1csc(Br)n1 to produce COc1nc(C(=O)NS(=O)(=O)c2c(Cl)cccc2Cl)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.