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 2-(5-fluoro-4-pyrrolidin-1-ylpyrimidin-2-yl)sulfanyl-1-[1-(2-methoxyethyl)-2,5-dimethylpyrrol-3-yl]ethanone ?
user
C19H25FN4O2S
assistant