You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [2-[(9Z,11Z,13Z,15Z)-octadeca-9,11,13,15-tetraenoyl]oxy-3-[(Z)-octadec-11-enoyl]oxypropyl] (10Z,13Z,16Z,19Z)-docosa-10,13,16,19-tetraenoate by IUPAC nomenclature, provide its molecular formula.
user
C61H100O6
assistant