Using COc1c(-c2ccc3cccc(Br)c3n2)cc(C(C)(C)C)cc1C(C)(C)C to produce CC(C)(C)c1cc(-c2ccc3cccc(Br)c3n2)c(O)c(C(C)(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.