Using BrC(Br)(Br)Br, Cc1cccc(-c2c(CO)oc(=O)c3ccccc23)c1 to produce Cc1cccc(-c2c(CBr)oc(=O)c3ccccc23)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.