You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2'R,3S,3'S,5'S)-6-chloro-3'-(3-chloro-2-fluorophenyl)-5'-(2,2-dimethylpropyl)-N-[4-[(2S,3R)-2-[2-[2-(2,6-dioxopiperidin-3-yl)-1-oxo-3H-isoindol-5-yl]ethynyl]-5-azaspiro[2.5]octane-5-carbonyl]-2-methoxyphenyl]spiro[1,2-dihydroindole-3,4'-pyrrolidine]-2'-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C53H53Cl2FN6O6
assistant