You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[3-(5-chloro-7-methoxy-1-benzofuran-2-carbonyl)-4-hydroxy-1-(4-methoxyphenyl)-5-oxo-2H-pyrrol-2-yl]phenyl] acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H22ClNO8
assistant