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 4-[5-[2-(5-bromopyridin-3-yl)ethyl]-3-cyclopropyl-1,2,4-triazol-1-yl]benzenesulfonamide ?
user
C18H18BrN5O2S
assistant