You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-[(2R,3R,4S,5S)-5-fluoro-5-[(6-fluoro-2-oxo-4H-1,3,2lambda5-benzodioxaphosphinin-2-yl)oxymethyl]-3,4-dihydroxyoxolan-2-yl]-4-sulfanylidenepyrimidin-2-one .
user
C16H15F2N2O8PS
assistant