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 N-(4-methylphenyl)-2-[[6-[(4-methylphenyl)methyl]-5-oxo-4H-1,2,4-triazin-3-yl]sulfanyl]acetamide ?
user
C20H20N4O2S
assistant