You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-tert-butyl-2-[[N-ethyl-N'-[[4-(4-ethylpiperazin-1-yl)-3-fluorophenyl]methyl]carbamimidoyl]-methylamino]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H39FN6O
assistant