You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1,1-bis(4-hydroxy-5-methyl-2-propan-2-ylphenyl)-3-oxo-2-benzofuran-4-carbonyl bromide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H29BrO5
assistant