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-(2-bromophenyl)-2-[[4-(4-chloronaphthalen-1-yl)-5-methyl-1,2,4-triazol-3-yl]sulfanyl]acetamide ?
user
C21H16BrClN4OS
assistant