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 3-(2-methylpropyl)-2-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]-1H-1,2,4-triazole-5-thione ?
user
C20H21N7S
assistant