You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name [(2R,3S,4R,5R)-5-(6-amino-2-cyclopentyloxypurin-9-yl)-2-(fluoromethyl)-3,4-dihydroxyoxolan-2-yl]methyl 4-methylbenzenesulfonate ?
user
C23H28FN5O7S
assistant