You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S)-1-[(1S,2R)-2-[2-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]cyclobutyl]cyclohexyl]-3-phenylmethoxypyrrolidine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H41NO3
assistant