You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (4S,7R,8S,9S,17S)-4,8-dihydroxy-5,5,7,9-tetramethyl-17-[1-(2-methyl-1,3-thiazol-4-yl)prop-1-en-2-yl]-14-(trifluoromethyl)-1-oxacycloheptadeca-11,14-diene-2,6-dione .
user
C28H38F3NO5S
assistant