Using COC(=O)c1cccc(OC(=O)c2ccccc2)c1O, BrCCBr to produce COC(=O)c1cccc(OC(=O)c2ccccc2)c1OCCBr, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.