You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by [(2R,3S)-3-[(1R)-1-hydroxyethyl]-2-[2-[3-(morpholine-4-carbonyl)phenyl]-2-oxoethyl]-4-oxoazetidin-1-yl] 2-(triphenyl-lambda5-phosphanylidene)acetate ?
user
C38H37N2O7P
assistant