Using CO/C=C(/C(=O)OC)c1ccc(Cl)cc1C, O=C1CCC(=O)N1Br to produce CO/C=C(/C(=O)OC)c1ccc(Cl)cc1CBr, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.