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 [(2R,3S,5R)-5-(5-fluoro-2,4-dioxopyrimidin-1-yl)-3-hydroxyoxolan-2-yl]methyl 3-phenylpropanoate ?
user
C18H19FN2O6
assistant