You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R)-1-phosphonooxy-3-[(E)-tetracos-15-enoyl]oxypropan-2-yl] (5E,9E)-hexacosa-5,9-dienoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C53H99O8P
assistant