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 2-trimethylsilylethyl 2-dimethoxyphosphoryl-2-[(2R,3R)-3-ethyl-2-(2-hydroxyethyl)-4-oxoazetidin-1-yl]acetate ?
user
C16H32NO7PSi
assistant