You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R,3R,4S,5S)-3-acetyloxy-5-hydroxy-2-[[[2-[2-[(4-methoxybenzoyl)amino]benzimidazol-1-yl]acetyl]amino]carbamothioylamino]oxan-4-yl] acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H30N6O9S
assistant