You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[(1R)-2-[2-[4-[[(2S)-2-amino-2-phenylethyl]amino]phenyl]ethylamino]-1-hydroxyethyl]-8-phenylmethoxy-1H-quinolin-2-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H36N4O3
assistant