You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-[[5-(2-chlorophenyl)-4-(3-methoxypropyl)-1,2,4-triazol-3-yl]sulfanyl]-N-(2-cyano-3-methylbutan-2-yl)acetamide ?
user
C20H26ClN5O2S
assistant