You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule [(2R,3S,4R,5R)-5-(5-amino-7-oxo-6H-triazolo[4,5-d]pyrimidin-3-yl)-4-[[(2R,3S)-5-(4-aminopyrazolo[1,5-a][1,3,5]triazin-8-yl)-3-hydroxyoxolan-2-yl]methoxy-hydroxyphosphinothioyl]oxy-3-hydroxythiolan-2-yl]methoxy-oxo-sulfanylphosphanium ?
user
C19H24N11O9P2S3+
assistant