You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(3R,4R)-4-[(4-acetylphenyl)carbamoyloxy]-4-(2-hydroxy-5-iodophenyl)-3-phenoxybutyl] 2-sulfanylacetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H26INO7S
assistant