You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [(2S,5R)-5-methyl-2-propan-2-ylcyclohexyl]oxy-oxo-[(2-phenyl-1,3-dioxan-5-yl)oxy]phosphanium .
user
C20H30O5P+
assistant