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 3-[7-[4-[4-[1-[4-[[5-chloro-4-(2-dimethylphosphorylanilino)pyrimidin-2-yl]amino]-3-methoxyphenyl]piperidin-4-yl]piperazin-1-yl]but-1-ynyl]-4-fluoro-3-oxo-1H-isoindol-2-yl]piperidine-2,6-dione .
user
C45H50ClFN9O5P
assistant