You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[4-isoquinolin-6-yl-3-oxo-1-(4-phenylpiperazin-1-yl)butan-2-yl]phenyl] 2-phenylacetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C37H35N3O3
assistant