You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [2-fluoro-3-[4-(2-morpholin-4-ylpyrimidine-5-carbonyl)piperazin-1-yl]phenyl]methyl N-(diaminomethylidene)carbamate by IUPAC nomenclature, provide its molecular formula.
user
C22H27FN8O4
assistant