You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1R,12S,17R,19R,20R)-19-(2,4-dioxopyridin-1-yl)-20-fluoro-12,20-dimethyl-14-oxo-14-phenoxy-2,10,15,18-tetraoxa-13-aza-14lambda5-phosphabicyclo[15.3.0]icosane-3,11-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H34FN2O10P
assistant