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 methyl 5-[[2-[[5-(5-bromo-2-hydroxyphenyl)-4-ethyl-1,2,4-triazol-3-yl]sulfanyl]acetyl]amino]-2-chlorobenzoate ?
user
C20H18BrClN4O4S
assistant