You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-3-cyclobutyl-2-[(4S)-3-[2-[4-(hydroxymethyl)-4-(3-phenylpropyl)piperidin-1-yl]ethyl]-4-phenylpyrrolidin-1-yl]propanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H48N2O3
assistant