You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[1-[(11Z,14Z,17Z)-icosa-11,14,17-trienoxy]-3-[3,4,5-trihydroxy-6-[[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxypropan-2-yl] (10Z,13Z,16Z,19Z)-docosa-10,13,16,19-tetraenoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C57H96O14
assistant