You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance azane;[(2R,3S,4R,5R)-5-(6-benzamidopurin-9-yl)-2-ethyl-4-tri(propan-2-yl)silyloxyoxolan-3-yl]oxy-hydroxy-oxophosphanium .
user
C27H42N6O6PSi+
assistant