You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4R,7R,8S,9R,13Z,16S)-16-[(Z)-1-chloro-2-(2-methyl-1,3-thiazol-4-yl)ethenyl]-4,8-dihydroxy-5,5,9,13-tetramethyl-7-propyl-1-oxacyclohexadec-13-ene-2,6-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H42ClNO5S
assistant