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-chloro-5-(trifluoromethyl)phenyl]-6-ethyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide ?
user
C18H17ClF3NOS
assistant