You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R)-2-[(6E,9E,12E,15E)-octadeca-6,9,12,15-tetraenoyl]oxy-3-phosphonooxypropyl] pentacosanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C46H83O8P
assistant