Using [Br-], COc1ccc(-c2c(-c3ccc(O)cc3O)n[nH]c2C)cc1 to produce COc1ccc(-c2c(-c3cc(Br)c(O)cc3O)n[nH]c2C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.