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 2-(4-chlorophenyl)-N-deuterio-2,2-difluoro-N-[[1-oxo-2-[(3R)-3,4,4,5-tetradeuterio-2,6-dioxopiperidin-3-yl]-3H-isoindol-5-yl]methyl]acetamide .
user
C22H18ClF2N3O4
assistant