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 2-[[5-(5-bromo-1-benzofuran-2-yl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]-N-(5-chloro-2-methoxyphenyl)acetamide .
user
C20H16BrClN4O3S
assistant