Using O=S(=O)(Nc1cc2ccccc2s1)c1ccc(Br)cc1, CC(=O)Cl to produce CC(=O)c1c(NS(=O)(=O)c2ccc(Br)cc2)sc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.