You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2-amino-9-[(2R,3R,4S,5R)-5-[2-[dimethyl(methylidene)-lambda5-phosphanyl]ethyl]-3,4-dihydroxyoxolan-2-yl]-8-pentylsulfanyl-1H-purin-6-one using the IUPAC nomenclature.
user
C19H32N5O4PS
assistant