Using COc1c(C)cc(C(=O)CC(c2ccc(Br)cc2)c2ccccc2C)cc1C to produce Cc1ccccc1C(CC(=O)c1cc(C)c(O)c(C)c1)c1ccc(Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.