You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named [2-[(E)-12-[[3-[[[5-[2-[[5-[[(E)-18-[2,3-bis[[(E)-12-hydroxyoctadec-9-enoyl]oxy]propoxy]-18-oxooctadec-9-en-7-yl]oxycarbonylamino]-1,3,3-trimethylcyclohexyl]methylcarbamoyloxy]ethyl]-4-methyl-6-oxo-1H-pyrimidin-2-yl]carbamoylamino]methyl]-3,5,5-trimethylcyclohexyl]carbamoyloxy]octadec-9-enoyl]oxy-3-[(E)-12-hydroxyoctadec-9-enoyl]oxypropyl] 12-hydroxyoctadecanoate is given. What is its corresponding molecular formula?
user
C145H257N7O24
assistant