You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S)-1-[(3-hydroxy-6,6-dimethyl-1-pyridin-2-ylsulfonylazepan-4-yl)amino]-4-methyl-1-oxopentan-2-yl]carbamic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H32N4O6S
assistant