You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-amino-N-[3-[4-(4-fluorophenyl)piperazin-1-yl]-3-oxopropyl]bicyclo[2.2.1]heptane-2-carboxamide;dihydrochloride .
user
C21H31Cl2FN4O2
assistant