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 N-[4-(3-chloro-4-fluoroanilino)-7-[3-[4-[[[(3R)-1-[2-(2,6-dioxopiperidin-3-yl)-1,3-dioxoisoindol-5-yl]piperidin-3-yl]amino]methyl]piperidin-1-yl]propoxy]quinazolin-6-yl]prop-2-enamide .
user
C44H47ClFN9O6
assistant