You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-(2-methylpropyl)-2-[[5-[(2-oxoazepan-1-yl)methyl]-4-pyridin-2-yl-1,2,4-triazol-3-yl]sulfanyl]acetamide .
user
C20H28N6O2S
assistant