You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl (5R)-7-[(2R)-2-[(E,3S)-3-[tert-butyl(dimethyl)silyl]oxy-4-[3-(methoxymethyl)phenyl]but-1-enyl]-5-oxopyrrolidin-1-yl]-5-methylheptanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H51NO5Si
assistant