You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[1-[(Z)-hexadec-9-enoxy]-3-hydroxypropan-2-yl] (11Z,14Z,17Z,20Z,23Z)-hexacosa-11,14,17,20,23-pentaenoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C45H78O4
assistant