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 1-[[2-(azepan-1-yl)pyridin-4-yl]methyl]-3-(8-fluoro-3,4-dihydro-2H-thiochromen-4-yl)urea ?
user
C22H27FN4OS
assistant