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-(pyrrolidine-1-carbonyl)pyridin-2-yl]sulfanyl-N-(2,2,2-trifluoroethyl)propanamide .
user
C15H18F3N3O2S
assistant