You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [3-[2-[[(7Z,10Z,13Z,16Z,19Z)-docosa-7,10,13,16,19-pentaenoyl]amino]ethoxy-hydroxyphosphoryl]oxy-2-hydroxypropyl] (7Z,10Z,13Z,16Z,19Z)-docosa-7,10,13,16,19-pentaenoate by IUPAC nomenclature, provide its molecular formula.
user
C49H78NO8P
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