You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(E)-1-(2-ethyl-1,3-thiazol-4-yl)prop-1-en-2-yl]-7,11-dihydroxy-8,8,10,12,16-pentamethyl-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H43NO6S
assistant