You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named [(2R,3S,5R)-5-(6-aminopurin-9-yl)-2-(hydroxymethyl)oxolan-3-yl] 4-methylbenzenesulfonate is given. What is its corresponding molecular formula?
user
C17H19N5O5S
assistant