You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [3-[hydroxy-[3-hydroxy-2-[(9Z,12Z)-octadeca-9,12-dienoyl]oxypropoxy]phosphoryl]oxy-2-icosanoyloxypropyl] (4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenoate by IUPAC nomenclature, provide its molecular formula.
user
C66H113O11P
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