You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1S,3R,4R)-3-amino-N-[1-[(4-fluorophenyl)methyl]piperidin-4-yl]-4-methoxycyclohexane-1-carboxamide;dihydrochloride into its molecular formula.
user
C20H32Cl2FN3O2
assistant