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 1-[[3-[4-[(4E)-4-(cyanomethylidene)-3-methylpiperidin-1-yl]-3-fluorophenyl]-2-oxo-1,3-oxazolidin-5-yl]methyl]-1-methylthiourea .
user
C20H24FN5O2S
assistant