You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(10R,13R)-10,13-dimethyl-17-(6-methylheptan-2-yl)-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] (9S,10E,12Z)-9-hydroperoxyoctadeca-10,12-dienoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C45H76O4
assistant