You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R)-1-[(Z)-hexadec-9-enoyl]oxy-3-[hydroxy-[(2S)-2-hydroxy-3-phosphonooxypropoxy]phosphoryl]oxypropan-2-yl] (5R,6R,7Z,9Z,11E,13E,15S,17Z)-5,6,15-trihydroxyicosa-7,9,11,13,17-pentaenoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C42H72O16P2
assistant