Using CC1(C)NS(=O)(=O)c2cccc(Cl)c21, CCOC(CBr)OCC to produce CCOC(CN1C(C)(C)c2c(Cl)cccc2S1(=O)=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.