You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[1-[3,5-dihydroxy-6-(hydroxymethyl)-4-sulfooxyoxan-2-yl]oxy-3-[(5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoxy]propan-2-yl] (9Z,12Z)-hexadeca-9,12-dienoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C45H74O12S
assistant