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 N-(3-cyano-4-ethyl-5-methylthiophen-2-yl)-5-(5-ethylthiophen-2-yl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxamide .
user
C22H18F3N5OS2
assistant