You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(3R,4R)-4-[(5S)-2-chloro-5-methylcyclohexa-1,3-dien-1-yl]-3,4-dihydroxybutyl] butyliodanuidylformate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H25ClIO4-
assistant