You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(2R)-1-[hydroxy-[(2R)-2-hydroxy-3-[hydroxy-[(2R)-2-(14-methylpentadecanoyloxy)-3-(10-methylundecanoyloxy)propoxy]phosphoryl]oxypropoxy]phosphoryl]oxy-3-(14-methylpentadecanoyloxy)propan-2-yl] 14-methylhexadecanoate by IUPAC nomenclature, provide its molecular formula.
user
C70H136O17P2
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