You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 2-[[(2R,3R,5R)-5-(6-amino-2-chloropurin-9-yl)-4-fluoro-3-hydroxyoxolan-2-yl]methoxy]-2-[(4-iodophenyl)methyl]-3-oxobutanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H24ClFIN5O6
assistant