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 identified by (4R,5R)-1-[(4R,5S)-2,2-dimethyl-5-propyl-1,3-dioxolan-4-yl]-6-methoxyphosphanyl-4,5-dimethylhex-2-yn-1-ol ?
user
C17H31O4P
assistant