You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2S,3S)-3-[[(2S)-3-(4-but-2-ynoxyphenyl)-1-methoxy-1-oxopropan-2-yl]carbamoyl]-11-heptylsulfonyl-2-hydroxy-2-propylundec-4-enoic acid into molecular formula.
user
C36H55NO9S
assistant