What is the molecular formula of the molecule identified by [2-[(10Z,13Z,16Z)-docosa-10,13,16-trienoyl]oxy-3-[hydroxy-[2-hydroxy-3-[hydroxy-[2-hydroxy-3-[(16Z,19Z,22Z,25Z,28Z,31Z)-tetratriaconta-16,19,22,25,28,31-hexaenoyl]oxypropoxy]phosphoryl]oxypropoxy]phosphoryl]oxypropyl] (19Z,22Z,25Z,28Z,31Z)-tetratriaconta-19,22,25,28,31-pentaenoate ?