You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-5-[[amino-[(2,2,4,6-tetramethyl-3H-1-benzofuran-5-yl)sulfonylamino]methylidene]amino]-2-azidopentanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H26N6O5S
assistant