Using COC(=O)c1cc(-c2cccc(C)c2)ccc1Cl, O=C1CCC(=O)N1Br to produce COC(=O)c1cc(-c2cccc(CBr)c2)ccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.