You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as trimethyl-[4-(2-methyl-3-octadecylsulfanylpropanoyl)oxy-1-phosphonooxybutan-2-yl]azanium using the IUPAC nomenclature.
user
C29H61NO6PS+
assistant