You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[2-[5-ethyl-2-[(2-hydroxy-5-oxo-3-phenylcyclopenten-1-yl)-phenylmethyl]indol-1-yl]ethyl]acetamide into molecular formula.
user
C32H32N2O3
assistant