Using COc1cccc(S(=O)(=O)Nc2ccc(Cl)cc2)c1, COC(=O)CBr to produce COC(=O)CN(c1ccc(Cl)cc1)S(=O)(=O)c1cccc(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.