Using COc1ccc(COc2ccc(C(C)=O)c3ccc(=O)[nH]c23)cc1, [Br-] to produce COc1ccc(COc2ccc(C(=O)CBr)c3ccc(=O)[nH]c23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.