Using COc1ccc2c(c1)c(C1(CCO)CC1)c(C)n2Cc1ccc(Br)cc1, BrBr to produce COc1ccc2c(c1)c(C1(CCBr)CC1)c(C)n2Cc1ccc(Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.