Using O=C(Oc1ccc(S(=O)(=O)Nc2ccccc2)cc1)c1ccc(CCBr)cc1 to produce C=Cc1ccc(C(=O)Oc2ccc(S(=O)(=O)Nc3ccccc3)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.