You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[N'-[[4-(dimethylamino)-3-fluorophenyl]methyl]-N-ethylcarbamimidoyl]-methylamino]-N,N-diethylacetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H32FN5O
assistant