You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-(5-ethenyl-3-ethylsulfonylpyridin-2-yl)-7-(trifluoromethyl)imidazo[1,2-c]pyrimidine .
user
C16H13F3N4O2S
assistant