Using O=C(c1ccc(Cl)cc1)c1ccc(CS(=O)(=O)CCCBr)cc1 to produce O=C(c1ccc(Cl)cc1)c1ccc(C2CCCS2(=O)=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.