You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(1-benzyl-5-nitroindol-3-yl)-3-phenyl-1-[4-[(E)-3-phenylprop-2-enyl]piperazin-1-yl]propan-1-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C37H36N4O3
assistant