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-(2-chlorophenyl)-4-[3-(trifluoromethyl)phenyl]-1,2,4-triazol-3-yl]sulfanyl]-N-(methylcarbamoyl)acetamide .
user
C19H15ClF3N5O2S
assistant