Using CC(C)(C)OC(=O)N(CC=CCl)c1ccc2ccc(S(C)(=O)=O)cc2c1Br to produce CC(C)(C)OC(=O)N1CC(CCl)c2c1ccc1ccc(S(C)(=O)=O)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.