You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 3,4,5-trihydroxy-2-methoxy-8-methyl-N-(1-methyl-2-oxoazepan-3-yl)non-6-enamide using the IUPAC nomenclature.
user
C18H32N2O6
assistant