You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[4-(2,2-dimethylpropanoyloxymethyl)-2-[3-[6-(ethenylsulfanylamino)hexanoylamino]propanoylamino]phenoxy]-4-hydroxyoxane-2-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H43N3O9S
assistant