Using COCc1cc(NS(C)(=O)=O)ccc1/C=C/c1cc(-c2ccc(OC)nc2OC)cc(C(C)(C)C)c1OC, Br to produce COc1ccc(-c2cc(/C=C/c3ccc(NS(C)(=O)=O)cc3CBr)c(OC)c(C(C)(C)C)c2)c(=O)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.