You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [1-[(4Z,7Z,10Z,13Z)-hexadeca-4,7,10,13-tetraenoxy]-3-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxypropan-2-yl] (15Z,18Z)-hexacosa-15,18-dienoate by IUPAC nomenclature, provide its molecular formula.
user
C51H88O9
assistant