You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl (2S)-2-[(3S)-3-[(6-chloronaphthalen-2-yl)sulfonyl-(2-oxo-2-phenylmethoxyethyl)amino]-2-oxopyrrolidin-1-yl]propanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H33ClN2O7S
assistant