You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 2-[heptyl-[[(3S,4S,6S)-3,4,5-trimethyl-6-phenylmethoxyoxan-2-yl]methyl]amino]acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H49NO4
assistant